Migrant communities in cities from New York to Chicago and Los Angeles remain on edge after President Donald Trump vowed to start mass deportations and issued orders including handing immigration agents power to enter churches and schools,

Immigrants and advocacy groups nationwide are scrambling to prepare for the waves of raids President Trump has promised under his plan to deport millions of people unauthorized to stay in the U.S. Why it matters: Confusion and persistent rumors about how the raids will be carried out — and what will happen to those detained by immigration agents — are leading some anxious immigrants to refuse to go to work or send their children to schools,