Baron had been paired with his handler for the last four years. Essex Police says they had made many arrests together:
He was injured and taken immediately to a veterinary practice but sadly he had to be put to sleep.
The circumstances surrounding this tragic incident are currently being reviewed.
Baron's handler and family are understandably very upset.
More top news
Labour has revealed the twelve London constituencies at the top of its general election hit list.
One of London's most iconic locations, Borough Market is marking its millennium with a year long celebration, starting this weekend.
YouTube superstar Alfie Deyes got a sense of how far he has come when thousands of fans descended on his latest book signing in London.