A 65-year-old man from California has been killed by a shark at Kaanapali Beach Park on Maui according to KHON.

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Witness told KHON that the man was swimming Saturday morning about 60 yards offshore when the attack occurred.

Emergency services responded to the attack around 9 a.m. with a helicopter and jet ski to help the victim. He was unresponsive and later died at the scene.

Warning signs have been erected a half-mile on either side of the beach and will remain in place until Sunday according to The Maui News, a Hawaii-based, daily newspaper.

This is a developing story. Please check back for updates.