Published: Wed, May 16, 2018
Global Media | By Derrick Guzman

Explosion at California medical facility appears to be intentional act, source says

Explosion at California medical facility appears to be intentional act, source says

Late Tuesday afternoon, NBC4 - citing unnamed federal sources - said investigators had determined that the blast was an "intentional detonation", and the explosive device was delivered to the building, addressed to a specific person.

The explosion blew siding off the walls, exposing insulation and framing.

A USA official says a deadly explosion at a Southern California office building is being investigated as an intentional act and investigators believe the blast may have come from a package.

The explosion, in a normally tranquil South Orange County city, prompted the evacuation of nearby businesses and a school filled with children, officials said.

He said investigators had not found an explosive device at the scene on a lower floor of the building.

The dead and injured have not been named.

Federal Bureau of Investigation spokesman Mike Gifford had said earlier there was no initial indication of terrorism in the facility about 7 miles northeast of Laguna Beach.

The Orange County Fire Authority (OCFA) said the explosion occurred on the first floor.

Mary McWilliams told the Orange County Register she arrived for an appointment to find smoke surrounding the area and auto alarms going off.

Carrie Braun, an Orange County Sheriff's Department spokeswoman, said authorities were working to determine if the explosion was an accident or an intentional act, the newspaper reported. McWilliams says one woman had skin peeling on her arm.

". They weren't on fire, they were helping each other across the street, walking very slowly and a lot of shock, shaking, just full of ash all over their face, eyes bloodshot, just blood all over", the woman said. Other people could be seen wheeling cribs down the street as the area was evacuated.

There were unconfirmed initial witness reports that the blast may have been a gas explosion, but Bommarito said it is rare for such gas-fueled blast to occur in a commercial 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.

Two survivors were said to have critical injuries.

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