TAMPA, Fla. (AP) – Authorities say 12 people have been injured in a pleasure boat explosion in Florida’s Tampa Bay.

Capt. Mark Bogush of Tampa Fire Rescue says six adults and six children were aboard the boat when it exploded Saturday afternoon while anchored off what’s known as Beer Can Island.

Bogush says all six adults and one of the children were seriously injured. The five other children suffered minor injuries.

Bogush says the explosion blew some people into the water, where they were helped by others who were boating nearby. Those seriously injured people were brought by helicopter to a trauma center.

Bogush says the cause of the explosion is unknown and will be investigated by the Florida Fish and Wildlife Conservation Commission.

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