"Alligator Alcatraz" is the name posted in front of the hastily converted immigrant detention facility in the Florida Everglades.

ALVARADO, Texas (AP) — Ten people have been arrested on attempted murder charges in connection with a shooting outside of a Texas immigration detention center that wounded a police officer, where people in black military-style clothing fired at authorities in a “planned ambush,” a U.S. attorney said.

Several armed people were taken into custody after officers responded to a report of a suspicious person outside the detention center, officials said.