A gunman killed at least 18 children and 2 adults at a Texas elementary school

The death toll in a school shooting in Uvalde, Texas has risen to 20, according to Sgt. Eric Estrada of the Texas Department of Public Safety.

Estrada told CNN that 18 children and two adults were among the dead.

Texas School Shooting Today

Earlier in the day, Governor Greg Abbott told reporters that 15 people - 14 children and a teacher - were killed in a shooting at Robb Elementary School.

Speaking at a news conference in Abilene, Abbott said the shooter was dead and identified as an 18-year-old male from Uvalde.

The governor said the gunman is believed to have left his vehicle and entered Robb Elementary School with a handgun and probably a rifle, but said this was not confirmed.

Local news footage of the scene from overhead shows a dark truck crashing into a ditch near the school.

The suspect had reportedly shot his grandmother before entering the school.

Uvalde Texas School Shooting Today 

According to the school's website, Thursday was to be the last day of the school year.

"The suspect acted alone during his heinous crime," he said during the brief statement.

"The families are being informed and we are providing services to them," he said.

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