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Bristol equine charity says illegal horse grazing on rise

22 October 2013 Last updated at 00:50 BST

Illegal horse grazing is on the increase across the UK and it is estimated there are about 4,000 nationwide.

Charity Horseworld, near Bristol, says it has seen a 21% increase on horses it has taken in since 2012.

BBC Inside Out West reports on the growing problem.