Teams are expanding their search for 12 Marines missing after a helicopter crash to include Oahu's western coast.
The U.S. Coast Guard said Saturday the search now covers waters off Waianae in addition to the north shore.
Officials say high surf is dispersing the debris and complicating the search and rescue effort.
A Navy P-3 airplane is scouring the ocean, along with helicopters from the Coast Guard, Army, Navy and Honolulu police and fire departments. Two Navy warships and two Coast Guard cutters are on the scene. Honolulu lifeguards on personal watercraft are also looking.
Two helicopters each carrying six Marines went down off Oahu's north shore late Thursday.
The Coast Guard initially said the choppers collided. But Marine spokesman Capt. Timothy Irish says he's not sure they collided because an investigation into the crash hasn't been completed.
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