CCTV footage of the moment thieves towed away a National Park display trailer has been released by police.

The image shows a white transit style van towing the battleship grey trailer - owned by the North York National Park - along Sawmill Lane, Helmsley just after 8pm on Tuesday, January 21.

Police want anyone who saw the white van either in the hours leading up to 8pm or saw it towing the trailer through Helmsley and out of the town to come forward.

They also want to hear from anyone who knows where the trailer is now.

Anyone that could assist the investigation should contact North Yorkshire Police on 101 - select option 2 - and ask for PC Linda Coles or Helmsley police.; email or call Crimestoppers on 0800 555 111 quoting reference 12140011588.