Media playback is unsupported on your device

Fire Chief: 'Inch by inch' search of mudslide area

28 March 2014 Last updated at 00:00 GMT

Rescue workers are continuing to search for victims of a mudslide in Washington state.

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

Snohomish County Fire Battalion Chief Steve Mason explains the work that is going on on the site.

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.