The girlfriend of Sam Caulfield has issued a fresh appeal for information on the 20-year-old's death after police confirmed that a fifth person has been arrested on suspicion of his murder.Hayley Hillier made the emotional appeal days before what would have been her boyfriend's 21st birthday on Friday. A murder investigation was launched on the morning of June 18 – after Sam died from a stab wound suffered at a first-floor flat in West Green.Family and friends will mark Sam's birthday by...
