Florida Gov. Ron DeSantis promised to veto a sweeping immigration bill on Wednesday in the latest escalation of a statehouse showdown with Republican legislative leaders over whose proposals would best carry out President Donald Trump ’s immigration crackdown.

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.