Dangerous dogs are being traded for thousands of pounds as part of drug deals and debt payments by gangs.
A new report from Middlesex University says dogs like mastiffs and pit bulls are being bred to make money, and being used as a commodity to be traded. Paul Brand reports:
More top news
A power cut has led to travel disruption for Eurostar passengers heading in and out of St Pancras International.
Taylor Swift left fans pleasantly surprised as she brought out Robbie Williams during her second performance at Wembley Stadium.
A 15-year-old boy has been stabbed to death in a large fight after a birthday party attended by up to 100 youths in east London.