Firefighters and sheriff's deputies escort children from Academy on the Hill pre-k school in Aliso Viejo, Calif., on Tuesday, May 15, 2018, after a fatal explosion nearby. The blast involved a building under renovation but the cause was not immediately known, according to authorities.
Firefighters and sheriff's deputies escort children from Academy on the Hill pre-k school in Aliso Viejo, Calif., on Tuesday, May 15, 2018, after a fatal explosion nearby. The blast involved a building under renovation but the cause was not immediately known, according to authorities. SCNG via AP Mindy Schauer/The Orange County Register
Firefighters and sheriff's deputies escort children from Academy on the Hill pre-k school in Aliso Viejo, Calif., on Tuesday, May 15, 2018, after a fatal explosion nearby. The blast involved a building under renovation but the cause was not immediately known, according to authorities. SCNG via AP Mindy Schauer/The Orange County Register

1 dead, 3 hurt in Southern California building explosion

May 16, 2018 12:50 AM