Metropolitan Police Department Chief Pamela Smith has allowed officers to cooperate with Immigration and Customs Enforcement and Customs and Border Protection.

“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.