'Bear cam' viewers save stranded hiker in Alaska

A lost hiker was saved in an Alaskan national park this week thanks to the vigilant viewers who were watching a bear cam livestream.

Talking to the camera on Dumpling Mountain, the hiker appeared to say "lost" and "help me".

Park rangers at Katmai National Park were alerted to the stranded hiker and were able to rescue him.

The park is one of the most remote in the US, accessible only by plane or boat.