Immigration enforcement operations unfolded across multiple cities Sunday, marking what President Donald Trump has called the beginning of an era of mass deportations that would primarily target migrants with criminal backgrounds but in which concerns remain that migrants with no criminal histories will be swept up,

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

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