A mum who pulled her daughter out of school minutes before a gunman opened fire in a deadly shooting says she's been left with "overwhelming guilt" about the decision.
Salvador Ramos, 18, killed 21 people after bursting into Robb Elementary School in Uvalde, Texas, armed with a handgun and an AR-15 semi-automatic rifle.
Mia had taken her daughter Evalynn from class just minutes before with Evalynn's best friend Layla Salazar being slain in the attack.