India, July 7 -- A shooter armed with rifle and tactical gear was shot and killed after he ambushed US Border Patrol agents in Texas Monday morning, as per reporters.

"This morning an individual opened fired at the entrance of the United States Border Patrol sector annex in McAllen, Texas. Both Border Patrol agents and local police helped neutralize the shooter," the Department of Homeland Security told Fox News in a statement. "This is an ongoing investigation led by the FBI. More information will be shared as it becomes available."

Following the shooting, all flightsat McAllen International Airport were delayed, according to the City of McAllen.

"Due to off-airport safety concerns, vehicles and passengers will not be permitted to ent...