Two American nationals were reportedly arrested in Japan on Sunday after one allegedly entered the enclosure of Punch, the young macaque at Ichikawa City Zoo who became famous online for his inseparable bond with a stuffed orangutan toy.

Videos circulating online appear to show a person dressed in an emoji costume climbing over a barrier into the Japanese macaque enclosure before dropping a small stuffed toy near the animals, startling them and causing them to retreat, according to Agence France-Presse (AFP).

The suspects were identified as a 24-year-old college student and a 27-year-old self-described singer, AFP reported.

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Zoo staff quickly intervened, and authorities said neither suspect made physical contact with the monkeys, according to AFP.

Ichikawa Police told AFP the two men were arrested on suspicion of forcible obstruction of business.

One suspect was not cooperating with police, while the other denied the allegations, according to reports citing NHK.

In a statement posted to X on May 17, Ichikawa City Zoo confirmed the pair had been turned over to police and said safety inspections were conducted afterward. 

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Officials added that no animals were injured during the incident.

"Around 10:50 today, there was an intruder in Saruyama," the zoo wrote. "We are informing you that the two individuals, including the intruder in question, have been handed over to the police."

The zoo also announced temporary viewing-area closures and enhanced security measures while operations continued as scheduled.

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The monkey had been abandoned by his mother shortly after birth in July 2025, prompting zookeepers to hand-raise him.

Fox News Digital's Khloe Quill contributed to this report.

A strong earthquake with a 7.7 preliminary magnitude occurred off of northern Japan on Monday.

The Cabinet Office and Japan Meteorological Agency indicated that there is a 1% possibility of a mega-quake in the coming week or after the earthquake near the Chishima and Japan trenches.

The quake occurred off the coast of Sanriku at around 4:53 p.m., local time, at a depth of about 11 miles, the meteorological agency said.

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A tsunami of around 2.6 feet was identified at the Kuji port in the Iwate prefecture after the earthquake, while a tsunami of 1.3 feet was recorded at a different port in the prefecture, the agency indicated.

The America-based Pacific Tsunami Warning Center eventually noted that the tsunami threat "has now passed."

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The Nuclear Regulation Authority noted that nuclear power plants in the area are intact and there have not been any abnormalities discovered.

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A powerful 9.0 magnitude earthquake and tsunami in 2011 wreaked havoc in Japan, leaving over 22,000 dead and compelling nearly 500,000 people to flee their homes, most of them because of tsunami damage.

The Associated Press contributed to this report