At least 23 people were killed and about 70 others wounded in a major attack Sunday morning after a suicide bomber targeted a passenger train in Pakistan, according to The Associated Press (AP).

The assault — in Quetta, the capital of southwestern Balochistan province — occurred when an explosives-laden vehicle detonated near a railway line as a passenger train passed, causing two train cars to overturn and catch fire. The region has long been the site of a low-level but persistent insurgency involving separatist and militant groups.

The Balochistan Liberation Army (BLA), a militant separatist group fighting for the province’s secession from Pakistan, reportedly claimed responsibility, saying it was targeting a train carrying security personnel.

The Times of India reported that the train was carrying army personnel and family members traveling from Quetta to Peshawar for the Eid holidays; AP reported more generally that the BLA said it targeted a train carrying security personnel. The area is also known for having a strong security presence.

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The blast reportedly sent shockwaves through the area.

According to witness accounts and images circulating on social media, the force of the explosion caused two train cars to overturn and burst into flames, sending thick black smoke into the sky, The AP said. Nearby buildings were also heavily damaged, and more than a dozen parked vehicles were impacted, the outlet added.

Several victims were reportedly transported to local hospitals. Among the wounded, about 20 were reported to be in critical condition, according to doctors cited by The AP.

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Prime Minister Shehbaz Sharif strongly condemned the attack, calling it a "cowardly act of terrorism" and saying that those responsible would be brought to justice.

"I strongly condemn the heinous bomb explosion near Chaman Phatak, Quetta, which has resulted in the tragic loss of innocent lives and left many others injured. Such cowardly acts of terrorism cannot weaken the resolve of the people of Pakistan. We remain steadfast in our determination to eliminate terrorism in all its forms and manifestations," he said.

"I express my heartfelt condolences to the families of the victims and pray for the swift recovery of the injured. The entire nation stands in solidarity with the people of Balochistan in this hour of grief."

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Balochistan Chief Minister Sarfraz Bugti alleged that the group is supported by Indian-sponsored proxies aimed at destabilizing Pakistan. The two countries have long been locked in a bitter dispute over territorial claims in Kashmir, though India has consistently denied such accusations.

"The terrorists of Fitna Al-Hindustan are proving their savagery by targeting innocent civilians, women, and children," Bugti said, describing the group as "evil originating from India."

"Those who shed the blood of innocent people deserve no leniency. Let the enemy hear this: there will be no safe haven left for terrorists in Balochistan. We will hunt down the terrorists, their facilitators, and their masterminds one by one and bring them to justice, and this war will continue until the last terrorist is eliminated."

The BLA has increasingly carried out large-scale suicide operations targeting Pakistani security forces and infrastructure in Quetta, according to The Times of India.

In 2024, at least 26 people, including soldiers, were killed in a suicide bombing at a train station in Balochistan.

The Associated Press contributed to this report.

Pakistan rejected reports Tuesday that it allowed Iranian aircraft to use its airfields amid tensions with the United States—claims suggesting the move could have shielded the planes from potential airstrikes—even as Islamabad positioned itself as a high-profile mediator between the two sides.

According to the report May 11, Tehran was also said to have possibly sent a civilian aircraft to Afghanistan during the conflict. 

Pakistan said Tuesday the CBS report was "misleading and sensationalized. Such speculative narratives appear aimed at undermining ongoing efforts for regional stability and peace," the Ministry of Foreign Affairs said in a statement.

"Following the ceasefire and during the initial round of the Islamabad Talks, a number of aircraft from Iran and the United States arrived in Pakistan to facilitate the movement of diplomatic personnel, security teams, and administrative staff associated with the talks process," the ministry said before clarifying that "some aircraft and support personnel remained temporarily in Pakistan in anticipation of subsequent rounds of engagement."

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The alleged Iranian asset movements had also suggested there was an effort by Iran to conceal some of its remaining aerial assets as Pakistan worked behind the scenes to broker a ceasefire between Iran and the United States.

President Donald Trump also confirmed Tuesday he was satisfied with the mediation work carried out by Pakistan, telling reporters ahead of his trip to China that they were "great."

"I think the Pakistanis have been great. The field marshal and the prime minister of Pakistan have been absolutely great," Trump clarified.

In April, Pakistan had emerged as a key mediator in efforts to de-escalate tensions between Washington and Tehran amid the Strait of Hormuz crisis and the regional conflict.

Islamabad hosted senior delegations for talks on April 11–12 after helping secure a temporary two-week ceasefire.

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Pakistan’s position was unique, given its geographic proximity to Iran and its longstanding strategic partnership with the United States. 

Mediation efforts were led by Prime Minister Shehbaz Sharif, Army Chief Gen. Asim Munir and Foreign Minister Ishaq Dar.

Officials told CBS that, days after Trump announced a ceasefire with Iran in early April, Tehran sent multiple aircraft to Pakistan Air Force Base Nur Khan.

Nur Khan Airbase, located near Rawalpindi, is said to be a key installation of the Pakistan Air Force and serves as a major logistical and operational hub. 

Among the aircraft reportedly moved there was an Iranian Air Force RC-130, a reconnaissance and intelligence-gathering variant of the Lockheed C-130 Hercules, the outlet said.

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Despite initial progress between the U.S. and Iran, talks in Islamabad on April 11 ultimately collapsed. 

However, Pakistani leadership said it felt optimistic. "We are very optimistic that the current momentum will lead to a lasting agreement," Prime Minister Shehbaz Sharif said.

Trump also praised Pakistan’s mediating role again, stating on May 7, "Pakistan has been fantastic. And its leaders have been fantastic—the marshal and the prime minister."

As part of the next response, Trump also launched "Project Freedom" to guide vessels through the Strait of Hormuz and to help free up shipping.

Trump's initiative to help thousands of stranded crew lasted 48 hours, with the president later acknowledging that it was halted "at the request of Pakistan and other countries," including Saudi Arabia, to avoid jeopardizing ongoing negotiations with Iran.

Sen. Lindsey Graham, R-S.C. said Monday that if Pakistan did shelter Iranian aircraft during mediation then it would force a complete reassessment of Pakistan’s role.

"If this reporting is accurate, it would require a complete reevaluation of the role Pakistan is playing as mediator between Iran, the United States and other parties. Given some of the prior statements by Pakistani defense officials towards Israel, I would not be shocked if this were true," Graham said in a post shared on X.

Fox News Digital has reached out to the Government of Pakistan, The White House and U.S. Central Command for comment.

President Donald Trump publicly thanked what he called Pakistan’s "great prime minister and field marshal, two fantastic people!!!" in a Truth Social post Friday praising Prime Minister Shehbaz Sharif and Pakistan’s military chief, Asim Munir.

Sharif quickly responded on X, "On behalf of the people of Pakistan, Field Marshal Syed Asim Munir, and on my behalf, I express my deep and profound appreciation for your kind and gracious words."

The public exchange capped a remarkable rise for Munir, who has become one of the few foreign officials trusted both by Trump and by Iran’s security establishment.

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Munir recently became the first foreign military leader to visit Iran since the latest escalation between the United States and Iran, according to Pakistani and Iranian reports. Arriving in full military uniform, he was warmly greeted by Iranian Foreign Minister Abbas Araghchi and held meetings with senior Iranian military officials.

Retired Pakistani Gen. Ahmed Saeed told Fox News Digital that Munir has for months served as an informal back channel between Washington and Tehran, Iran, as the Trump administration tries to negotiate an end to the conflict, Iran’s nuclear program and the naval blockade in the Persian Gulf.

Few foreign figures appear to have closer ties both to Trump and to Iran’s military hierarchy.

That has raised a striking question: How did the same man become close both to Trump and to some of Iran’s most powerful commanders?

Saeed, who said he has known Munir personally for years, told Fox News Digital that Munir began building ties with Iran while serving as Pakistan’s director general of military intelligence in 2016 and 2017.

"He has been interacting with the leadership. He has been interacting with the intelligence community. He has been interacting with the IRGC," or the Islamic Revolutionary Guard Corps, Saeed said.

According to Saeed, Munir built ties not only with the Islamic Revolutionary Guard Corps but also with Iran’s regular army and intelligence apparatus. Saeed said Munir had longstanding contact with former Islamic Revolutionary Guard Corps Quds Force commander Qassem Soleimani, who was killed in a U.S. strike in 2020, commander Hossein Salami, who was killed in an Israeli strike in June 2025, and other Iranian military figures.

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"He continues to be a figure internationally who has personal interactions, a personal equation in the intelligence community in Iran, in the military hierarchy in Iran, in the diplomatic corps of Iran and also on the side of the political leadership," Saeed said.

That longstanding relationship appears to explain why Iran welcomed him so warmly, even as he remains in direct contact with Trump and his team.

Foundation for Defense of Democracies' Bill Roggio told Fox News Digital, "Trump should not trust the Pakistanis. Pakistan was a perfidious ‘ally’ in Afghanistan, backing the Taliban while pretending to be our friends. Munir’s ties to the IRGC should be a massive red flag for the Trump admin."

Munir’s relationship with Trump dates back to the India–Pakistan crisis of May 2025. Munir played a key role in helping de-escalate the confrontation, and afterward Pakistan formally nominated Trump for the Nobel Peace Prize, a move widely viewed by Pakistani analysts as encouraged by Munir.

Since then, Trump has repeatedly praised him, calling Munir an "exceptional man," a "great fighter" and "my favorite field marshal." 

Pakistani officials and media reports say the two men now speak directly.

Pakistani analyst Raza Rumi told Fox News Digital that Munir’s appeal to Trump is not surprising.

"Trump has long shown a preference for strong, decisive leaders," Rumi said. "Munir fits that mold as a centralized authority figure who can deliver outcomes."

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Rumi described Munir as "a disciplined, institution-first leader with a strong emphasis on order, hierarchy and strategic clarity."

"Unlike more publicly charismatic military figures, his style is relatively understated, shaped by intelligence work and operational experience rather than overt political signaling," Rumi said.

Munir’s background helps explain both his style and his influence.

Munir studied at the Fuji School in Japan, the Command and Staff College in Quetta, the Malaysian Armed Forces College in Kuala Lumpur, and Pakistan’s National Defence University, where he earned a master of philosophy degree in public policy and strategic security management, according to Pakistan’s Geo News. Munir was the first army chief in Pakistan to receive the Sword of Honour, the military’s highest distinction for a cadet. The outlet also described him as an avid reader, traveler and sportsman.

Munir is also a Hafiz-e-Quran, meaning he has memorized the entire Quran by heart.

A former head of both Pakistan’s Military Intelligence and Inter-Services Intelligence agencies, Munir spent years overseeing Pakistan’s most sensitive regional relationships, including with Iran, Afghanistan and India.

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In 2025, after the India-Pakistan crisis, he was elevated to field marshal, the first Pakistani officer to hold the rank since former military ruler Ayub Khan.

Pakistani officials say that later that year, he also was given the newly created title of chief of defense forces, further cementing his authority above the country’s military branches.

Munir rarely gives interviews, but his speeches offer clues to his worldview.

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At the Margalla Dialogue in Islamabad in November 2024, he warned that "absence of proper regulations for freedom of expression is leading to the deterioration of moral values in societies worldwide."

The remark reflected a broader emphasis on order, discipline and centralized authority.

Rumi said Munir operates from "a transactional, state-centric worldview rather than an ideological one."

Yet critics argue that his rise has come at a cost to Pakistan’s democracy.

After becoming army chief in 2022, Munir focused heavily on domestic politics, including what critics described as a crackdown on political opposition and an unprecedented concentration of military power, according to The Guardian, which reported that key negotiations with the United States and Iran have been coordinated not from Islamabad, Pakistan’s civilian capital, but from Rawalpindi, the headquarters of the military.

Critics say that reflects a broader reality: Pakistan’s foreign policy is increasingly being run by the army rather than the elected government.

Rumi said Munir’s rise reflects "the military increasingly eclipsing civilian leadership in Pakistan."

As the current negotiations continue, much appears to rest on Munir. Saeed said that is because Munir has spent years building trust on both sides and is unlikely to stop now.

"Knowing our field marshal, and from my own personal knowledge of him, he is relentless. He would not give up," Saeed said.