A horse at Bangor Raceway had to be put down yesterday. A dog in the paddock area bit the leg of the horse “Rich Camelot”. The horse reacted to being bitten and fell against a dumpster. He was hurt badly enough that when the vet arrived it had to be put away.As of today there is now a policy that there are to be no dogs in the paddock area.Rich Camelot had won its last race with a 157 and 3. Owner by Gardiner Patterson, the horse was reportedly purchased for 20 thousand dollars.