By Susie Beever Cops are hunting callous robbers who forced a hospital patient into a toilet and stole his money. The three criminals targeted the man, who was in a wheelchair at the time, into the loo at Royal Preston Hospital in the Lancashire town, before threatening him and demanding cash. The victim, a man in his forties, had money stolen from his pockets in the robbery. Now detectives have released CCTV of three men they’re trying to track down over the despicable crime in November last year. One of the men is seen wearing a white coat, blue scarf and a baseball cap. A second man is pict…