Cause of Simi Valley Fireworks Blast Uncertain

At least 41 Fourth of July revelers were injured when fireworks exploded at ground level in a Simi Valley park

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    NEWSLETTERS

    Authorities were trying to figure out what caused fireworks to explode at ground-level injuring 30 on July 4, 2013 in Simi Valley.

    Officials with the California Fire Marshals Office were expected to arrive in Simi Valley as early as Monday to investigate the cause of Thursday night's explosion at a Simi Valley fireworks show that injured at least 41 Fourth of July revelers.

    As many as 10,000 people were settling into their seats for the Rotary Club of Simi Valley’s 4th of July Firework Show at Rancho Santa Susana Park in Simi Valley when a plume of red and white bursts spread across the ground, police said.

    Simi Valley Fireworks Explosion Victims Recall Terror

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    An apparent industrial accident in Simi Valley caused fireworks to shoot toward a Fourth of July crowd. Some 41 people were injured, with the youngest victim just 17 months old. Beverly White reports from Simi Valley for NBC4 News at 11 p.m. on Friday, July 5, 2013. (Published Friday, Jul 5, 2013)

    At least 41 people ranging in age from 8 years old to 78 years old suffered injuries, mostly from shrapnel and projectiles, officials said. Four suffered serious, but not life-threatening, injuries.

    Authorities initially indicated the cause appeared to be fireworks that detonated prematurely from a a launching station that fell over, knocking over a row of others. But officials were trying to determine why the launching station fell over.

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    After a July 4 fireworks display exploded in Simi Valley, shooting mortars at an assembled crowd, thousands of people ran away from the bloody scene. But first responders ran in to help. Reggie Kumar reports from Simi Valley for NBC4 News at 5 p.m. on Saturday, July 6, 2013. (Published Saturday, Jul 6, 2013)

    Foul play was not suspected and it appeared to be an accident, officials said.

    The fireworks company, Bay Fireworks, said in a statement that it regrets the injuries, and planned a thorough investigation, with results to be made public.

    The company also said that injured spectators should contact the Simi Valley Rotary Club to reach the company's insurer. The annual July Fourth celebration has been sponsored by the city and the local Rotary Club for the past 43 years.

    The company, based in Bethpage, NY, has produced events for NASA, Walt Disney World, Legoland and the Republican National Convention, according to the company's website.

    The mishap came a year after a fireworks show in San Diego exploded in about 20 seconds and sent multiple bulb-shaped explosions over the bay.

    The show's producer blamed a "technical glitch," saying an error in its computer system caused tens of thousands of fireworks on four barges to go off simultaneously with a single command.

    That show was not produced by Bay Fireworks.

    Other fireworks mishaps in the U.S. Thursday:

    • A 32-year-old working at a fireworks show in Ojai was struck by fireworks that apparently exploded on the ground, according to Erika Monterroza, spokeswoman for the California Division of Occupational Safety and Health. The worker's face and left leg and arm were injured. The worker was taken to a hospital and transferred to a burn center.
    • One person was killed and others injured after a pickup plowed into pedestrians after the fireworks show in Grand Lake, Colo. The 33-year-old driver was arrested and is being held on suspicion of driving under the influence as investigators piece together what happened. Colorado State Trooper Josh Lewis says initial reports indicated those hit were on the side of the road.
    • A barge being used to set off the annual Fourth of July fireworks on Whitefish Lake in Montana caught fire just as the grand finale began. The local fire chief said a spark from a low-bursting firework started the blaze. The two pyrotechnicians on board dived into the water. No one was injured.
    • A worker at a fireworks show in North Myrtle Beach, S.C., was injured when a shell exploded prematurely. The explosion at the Cherry Grove Pier caused the show to end early, after just six minutes, and left a hole in the pier.
    • In Seattle, fire investigators blamed illegal fireworks for a blaze that damaged 14 boats at a storage facility.
    • A pyrotechnician suffered severe head trauma and burns after fireworks malfunctioned during a display in northwestern Arizona.

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