The man, who was armed with an assault rifle, opened fire on the building in McAllen, Texas, on Monday and was shot dead by federal officers, the police said.

A man with a rifle and tactical gear opened fire on law enforcement officers Monday morning at a Border Patrol facility in McAllen, Texas, before being shot and killed during an exchange of fire with Border Patrol and local police,

Two officers and one Border Patrol employee were injured, including one shot in the knee, a federal spokesperson told USA TODAY. The gunman died.