Democrats are pushing the Department of Homeland Security for answers following media reports that several U.S. citizens were detained by immigration officers.

U.S. Immigration and Customs Enforcement agents carried out a raid on a Newark business Thursday, detaining non-citizens and ... Nationally, ICE reported 538 arrests and 373 detainers on Thursday ...

President Donald Trump and border czar Tom Homan want more criminal migrant arrests, but ICE could face challenges.

NBC News reported last week about multiple incidents in which U.S. citizens on Native American reservations were detained by ICE agents while they moved in to arrest one or more illegal immigrants.