By Tim Hanlon Dog walkers have been warned by police after pieces of meat have been found “stuffed with pills” in Bristol. Avon & Somerset Constabulary are urging people to keep a close eye on dogs and be careful about what they allow their pets to eat while out on a walk, after one person said that pills were discovered inside some sausage in the Greenbank Cemetery area. The force said: “Our PCSOs found a piece of meat that had been stuffed with pills. Whilst we are unsure exactly what it was intended for, please be careful about what you let your dogs eat whilst out on a walk.” It comes as m…