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Police found a dead man in his late 40s at Bixby Park in the Alamitos Beach neighborhood in Long Beach Sunday afternoon, authorities said.

At around 2 p.m., police were dispatched to the park, performed CPR and called the Long Beach Fire Department for further assistance, LBFD spokesperson Jack Crabtree said. The man was pronounced dead at the scene, Crabtree said.

Authorities did not observe any signs of trauma on the man’s body, Long Beach Police Department spokesperson Juan Gomez said. The Los Angeles county coroner’s office will investigate and determine the cause of death, which is currently unknown, he said.

“We do not suspect any foul play at this time,” Gomez said.