More details are emerging on the series of events which took place during a deadly mass shooting at an elementary school in Uvalde, Texas yesterday.

19 children and 2 teachers were killed in the attack.

According to US officials, the 18 year old gunman first shot his grandmother at home and then crashed a vehicle near the Robb Elementary School.

The gunman, identified as Salvador Ramos, then barricaded himself into a classroom and fired at students and teachers.

Law enforcement officers broke windows in their efforts to evacuate children and teachers.

More officers arrived, who eventually forced their way into the barricaded classroom and after exchanging gunfire with Ramos, shot him dead.

The children killed were aged between seven and 10.

Teachers, Eva Mireles and Irma Garcia, also died in the attack

Some children who were injured are still being treated in hospital.

Their parents are waiting to hear the severity of their injuries.

Schools in the San Antonio area have also increased security precautions in response to the shooting.police station.