Nineteen young children and two adults have died in a shooting at a primary school in South Texas.

Nineteen young children and two adults have died in a shooting at a primary school in South Texas after an 18-year-old gunman opened fire at Robb Elementary School in the city of Uvalde before he was killed by law enforcement.

Investigators said the suspect was armed with a handgun, an AR-15 semi-automatic rifle and high-capacity magazines.

The Chief of Police at Uvalde Consolidated Independent School District, Pete Arredondo said the shooting began at 11:32 local time on Tuesday, and that investigators believe the attacker did act alone during this heinous crime.

The Governor of Texas , Greg Abbott said the shooter abandoned a vehicle before entering the school to “horrifically, incomprehensibly” open fire.