Shark filmed in Cattawade Sluice on the River Stour
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'Lost' shark filmed in River Stour

2 September 2013 Last updated at 16:58 BST

A shark which had lost its way was filmed in the Cattawade Sluice in the River Stour in Essex.

Look East viewer Jody Gibbons, who videoed the shark, estimated it was 4ft to 5ft long.

Experts who have looked at the footage said they believed it could be a Starry Smoothound.