"It brings back all those memories again," Mrs Masosa, 31, said. "It is awful. I ask myself, when is this going to stop?" Yesterday Mr Grieve said have-a-go heroes should be protected from prosecution. "No wonder people in this country fear standing up to criminals," he told the Tory party conference. "The fight against crime will not be successful unless the public feel that the law is on their side if they intervene to prevent it."