Media playback is unsupported on your device

Aerial shots of Colorado flooding

14 September 2013 Last updated at 20:01 BST

A large-scale rescue effort is continuing in the US state of Colorado, after unusually heavy rain caused widespread flooding.

At least four people are known to have been killed

Alistair Leithead reports.

Copyright © 2015 BBC. 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.