Media playback is unsupported on your device

'Grim' task for mudslide volunteers

27 March 2014 Last updated at 21:23 GMT

Rescuers are continuing to scour the site of a massive mudslide in Washington state.

Some 90 people remain missing after the 177ft (54m) wall of mud hit the town of Oso, north of Seattle.

The BBC's David Willis reports from the search team headquarters.