Donald Trump is leaning on agencies besides Immigration and Customs Enforcement to help execute his promise of carrying out mass deportations.

President Trump’s first administration tried to implement a similarly sped-up process for removing unauthorized immigrants, but those efforts were hampered by federal courts.

Newark Mayor Ras J. Baraka issued a statement late Thursday afternoon denouncing the raid as an “egregious act” conducted without a warrant and in violation of the Fourth Amendment of the U.S. Constitution, which guarantees “the right of the people be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures.”

President Trump has vowed to clamp down on immigration and undo Biden-era policies that he said were too permissive and blamed for allowing a large influx of undocumented immigrants. Here’s what we know about his policy changes.

The new executive order will allow U.S. Immigration and Customs Enforcement (ICE) to enter schools, churches and hospitals to carry out deportations.

Fox News exclusively embedded with ICE Boston on Wednesday, witnessing the agency arrest multiple egregious criminal aliens as part of mass deportation efforts.

ABC News’ Mireya Villarreal visited a school in south Texas to meet students and faculty preparing for the potential impacts of Donald Trump's immigration policies.

Pastor Emma Lozano’s church in Pilsen used to provide sanctuary for migrants facing deportation. Now, she is worried it could make them a target for U.S. Immigration and Customs Enforcement.

U.S. attorneys’ offices were told to investigate any official who defies federal immigration enforcement efforts and consider prosecuting them.

Agents made 538 arrests during workplace raids across the Northeast Thursday, U.S. Immigration and Customs Enforcement said.

The Trump administration authorized federal immigration authorities to target schools and churches, revoking a policy that barred arrests in "sensitive" areas, DHS said.

The Trump administration revoked a policy that prohibited arrests by U.S. Immigration and Customs Enforcement agents at or near schools, places of worship and other places deemed to be "sensitive locations.