More than 50 people have been arrested for a number of offences as part of a crack-down on local criminals in Darlington. Operation Relentless, which is now in its fourth week, targets prolific thieves, burglars, shoplifters and other wanted suspects across the town. As part of the operation, officers are also giving out crime prevention advice and reassurance to local residents and businesses. This morning, a search warrant was carried out at a property in Cumberland Street. A 37-year-old man and a 30-year-old woman were subsequently arrested on suspicion of possession of a Class A drug. They have since been released under investigation. Here’s Detective Sergeant John Hoar, from Darlington CID, with more info…