The Los Angeles-based Drug Enforcement Administration headquarters said it’s cooperating with federal law enforcement entities on immigration enforcement efforts.

Nearly 1,000 people were arrested by federal agencies in a blitz to enforce immigrations policies across the United States, according to multiple reports.

The Trump administration’s weekend immigration sweeps that included nearly 1,000 arrests and have chilled many immigrant communities were followed by another blitz: A barrage of video and photos from the federal government showing agents in tactical gear and vests emblazoned with “Police ICE” and “Homeland Security” taking cuffed suspects away.

Over the six days reported, U.S. Immigration and Customs Enforcement and its partner agencies have made more than 4,500 arrests and lodged more than 3,500 detainers on immigrants they say are in