ANTIOCH (CBS SF) — An 8-month-old infant was rushed to the hospital after possibly drowning Wednesday afternoon in Antioch, a fire official said.

Emergency medical crews responded at 1:15 p.m. to a report of a possible drowning in the 4000 block of Delta Fair Boulevard, Contra Costa County Fire Protection District Fire Marshal Robert Marshall said.

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Crews arrived to find several bystanders performing CPR on the child, who was transported to Sutter Delta Medical Center, Marshall said.

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As of around 3:30 p.m., Marshall said he did not know whether the child survived. The infant’s gender was not immediately available.

A call to Antioch police about the case was not immediately returned.

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