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

The DEA in Los Angeles said that it took part in an immigration enforcement operation Sunday morning, but the mission's specifics remain undisclosed.

The Drug Enforcement Administration in Los Angeles said it is cooperating with federal law enforcement partners on immigration enforcement efforts.

According to a social media post, the special agent in charge of the DEA's LA Field Division is assisting the Department of Homeland Security (DHS) with the matter.

Federal agencies working in California pledged cooperation in immigration enforcement operations and posted photos of people being taken into custody.

The DEA Los Angeles Field Division is working with the Department of Homeland Security on immigration enforcement.

It’s unknown how many were arrested in L.A., but nationwide, ICE has arrested over 2,300 people since Thursday.

ICE said it made 956 arrests on Sunday across Chicago, Atlanta, Miami, Los Angeles, Austin, Texas and Adams County, Colorado.

U.S. Immigration and Customs Enforcement agents began targeting major sanctuary cities immediately after Trump's inauguration Monday.

The FDA approved a pain drug designed to eliminate the risks associated with opioids -- the first new pharmaceutical approach to treating pain in over 20 years.

Under threat of raids following President Donald Trump’s return to office, including his promise to crack down on immigration and efforts to push deportations , Riverside County Supervisors V. Manuel Perez and Yxstian Gutierrez are proposing steps to protect immigrant residents.