CCTV released in hunt for robbery suspectpublished at 11:59 British Summer Time 3 October 2017
Police have released an image of a man they want to speak to after shop staff were threatened with a knife and "several hundred pounds" was stolen from the till.
West Mercia Police say a man first stole a charity box from Tesco Express on the Old Birmingham Road, Marlbrook, near Bromsgrove, at about 20:10 on Saturday night.
He returned 15 minutes later with the weapon and stole money from the till.