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
A bright and sunny day tomorrow, but feeling distinctly cool and chilly tonight.
An ITV News London investigation has discovered the inquest will now be held at Westminster Coroner's Court.
The family court finalised the adoption as the criminal proceedings were still under way. The couple have vowed to fight for their child.