According to media reports, at least 14 people were killed in a shot at an elementary school in the US state of Texas.

There are also other injured children, the US broadcasters ABC and CNN reported on Tuesday.

You are being treated in the hospital.

A 45-year-old man was also taken to hospital after suffering a graze, the hospital said.

The suspected shooter was initially said to have been arrested.

Other media reports claim the shooter is dead.

Uvalde Mayor Don McLaughlin did not confirm the death toll to ABC but said "this is a very serious situation."

He said his office is trying to contact the parents before any further information is released.

"There's an active shooter at Robb Elementary School"

Earlier, Uvalde School District said a gunman was staying at Robb Elementary School and asked the public to stay away from the area.

"There is an active shooter at Robb Elementary School," the school district wrote on Twitter.

"Law enforcement is on site.

We ask for your help and ask you not to enter the school grounds.

As soon as we have more information, we will pass it on."

An official at the school first clarified to ABC News that the shooting took place off campus and that Robb Elementary School was under lockdown during the time.

The incident happened at an elementary school in the city of Uvalde, about 135 kilometers west of San Antonio.

Deadly gun attacks are common in the United States.

Schools are also often affected.