OCFA CREWS at the Haster Basin Park in Garden Grove (OCFA).

A woman is dead after being found in a storm drain at Haster Park in Garden Grove on Sunday night.

According to the Orange County Fire Authority, firefighters were called to the park at Haster Street and Lampson Avenue regarding a report of a person needing medical help there.

Firefighter paramedics found the woman outside the storm drain opening in cardiac arrest and started treatment without success. The cause of death is under investigation by Garden Grove police. A search was made into the storm drain for possible other persons, but none were found.