The chief of police in Washington, D.C., will allow the Metropolitan Police Department to work with federal immigration authorities to arrest illegal immigrants, an unprecedented move that follows President Donald Trump's crackdown on crime in the city.

“Illegal Peruvian alien Jimmy Anderson Ayala Mayuri presented a large butcher knife to federal officers and motioned that he’d harm himself with it when we stopped his food truck on National Park Service property in DC today,” the post continued. ICE said the man briefly barricaded himself in the truck before he was apprehended.