Texas school shooting: outrage mounts over police response – latest updates

Good morning and welcome to our live blog covering developments in Tuesday’s mass shooting at Robb elementary school in Uvalde, Texas, that claimed the lives of 19 students and two teachers.

Outrage is mounting over the law enforcement response to the massacre, after it emerged the gunman was locked in a classroom for a full hour before a Swat team broke in and killed him.

Fury is also growing that the National Rifle Association (NRA) is pressing ahead with its annual conference, beginning…