A shooter in tactical gear opened fire near McAllen International Airport, injuring three people before being killed by law enforcement.

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.

An active shooter caused travel chaos at a major airport in the US. The gunman allegedly entered the Border Patrol building near the McAllen Airport in Texas on Monday. This is a breaking news story. Follow us on Google News, Flipboard, Apple News, Twitter, Facebook or visit The Mirror homepage.