A builder is warning others to take care after thieves stole £1,000 worth of tools from his van after unlocking it with an electronic device.Kalpesh Nathwani's home CCTV filmed two men walking casually up to his van, unlocking it remotely and then taking his tools, which included power drills, grinders and a circular saw.He said: "I arrived on site for my job the next day and opened the van and thought I was going mad."The tools were gone but there wasn't a single mark on the van...
