Footage from Lyons taken by Diane Dandeneau
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Colorado floods: 'Pretty streams became raging torrents'

14 September 2013 Last updated at 11:16 BST

The death toll from severe flooding in the US state of Colorado has risen to four.

Lyons resident Diane Dandeneau left her home on Friday afternoon as conditions improved slightly, and is now in Boulder.

She filmed these pictures of floodwaters in Lyons.

Authorities are now warning thousands of people in Boulder and outlying areas to evacuate.