On Monday, the Florida Highway Patrol conducted a joint operation with federal immigration officers in Jefferson County to round up 12 people believed to be in the country illegally, one of a number of raids performed around the country as the Trump administration ramps up its plans for mass deportation.

ICE announced Monday the multi-agency immigration clampdown resulted in 1,179 arrests in a single day — the biggest number since President Trump took office a week ago. Why it matters: The Trump administration is stepping up its immigration crackdown in cities across the U.

Federal enforcement agencies are targeting three U.S. cities per week for large-scale immigration arrests, with Aurora, Colorado, to come next, three sources familiar with the planning told NBC News.