"He'd been owned by a boy who beat him with a stick, so he would bite if anyone raised their hands," said Mrs Prestage, an airport worker. "But we trained Yogie out of that. We have a dangerous dog sign clearly on display and usually keep the gate closed, but it was open for a few minutes because my husband was out in the garden with him. The policeman got out of his van and walked in the gate, even though he could see the sign and the dog barking.