DISCOVERY BAY (CBS SF) — Two girls playing in the water in Discovery Bay were injured Saturday morning when a hydrofoil broke apart and hit them, a Discovery Bay Yacht harbor master said.

Sometime between 9 a.m. and 10 a.m. the watercraft broke apart while a man was riding it and hit one girl in the head and the other in the shoulder in the Fast Water area of Discovery Bay, the harbor master said.

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Two helicopters responded to the accident and took the girls from the water. The girls reportedly were not seriously injured, the harbor master said.

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He called it a “freak accident.” The man riding the hydrofoil was not injured.

Information from the Contra Costa County Fire Protection District was not immediately available.

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