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California: Helicopter rescues hikers from mountainside

5 August 2014 Last updated at 07:50 BST

Two hikers have been rescued from the mountains above Altadena, California.

Video footage shows one of them waving a shirt as a Los Angeles County Sheriff helicopter rescue crew spotted him for the first time.

The crew then went higher on the cliff-side, and plucked the other hiker from the canyon.

It is unclear if the hikers suffered any injuries, although they were able to walk out of the helicopter.

You can see the nearby