The Latest: 1 dead, 3 hurt in Southern California explosion

ALISO VIEJO, Calif. (AP) — The Latest on an explosion that rocked a Southern California office building (all times local):

2:47 p.m.

Authorities say one person is dead and three others have injuries after an explosion rocked a Southern California office building.

Orange County Fire Authority Chief Brian Fennessy says 70 firefighters were dispatched in response to a 1:09 p.m. Tuesday call from Aliso Viejo.

Fennessey says the blast involved a building under renovation. The cause of the blast is being investigated.

There was no immediate information about the person who was killed. The injured were taken to a hospital.

Fennessey says children at a daycare across the street were not injured. They were being reunited with parents at a nearby store parking lot.

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2:37 p.m.

Authorities say one person is dead and two others have injuries after an explosion rocked a Southern California office building.

Orange County Fire Authority Chief Brian Fennessy says 10 engines and 70 firefighters were dispatched in response to a 1:09 p.m. Tuesday call from Aliso Viejo.

Fennessey says the blast involved a building under renovation. The cause of the blast was being investigated.

There was no immediate information about the person who was killed. The injured were taken to a hospital.

Fennessey says children at a daycare across the street were not injured. They were being reunited with parents at a nearby store parking lot.