They became best friends – then discovered they were brother and sister

They became best friends – then discovered they were brother and sisterImage caption, Dave and Andrea met while they were both working at Manchester airport ByRowan BridgePublished2 minutes agoDave Green and Andrea Urmston found they instantly hit it off when their paths crossed while working in separate roles at Manchester Airport.The two strangers got on so well they could complete each other's sentences - which made sense when they discovered the truth. Green was the adopted brother Urmston had not seen in more than 30 years. "I was shaking, I was just shaking and my heart was pounding," Urmston told the BBC. "I'd finally found him. It's unbelievable."In 2005, Green was managing the bus station at the airport and Urmston serviced the vending machines.Over the next two years they became firm friends, texting and phoning each other when they were not at work.One day during a phone call, Green told Urmston something he had never mentioned before. He was adopted and his birth name was Stuart Proudlove."I kind of froze and didn't speak for a minute," says Urmston. Her maiden name was Proudlove and she had a brother who was adopted before she was born."It's not a very popular name and it had to be him. Other than family, I had never heard that surname anywhere else," she added.She immediately rang her mum, Susan, to check her long-lost brother's birth date. They matched: 24 March 1966. She called Stuart straight back."I said 'it's got to be you, it's got to be you', and I said 'I need to see you', and so I went to pick him up," Urmston said.Image caption, Dave had driven past his mum's house for years without realising As they were driving to their mum's, Green realised where he was. They were driving along the bus route he used to cover before becoming a manager.His old route had taken him right past his mum's house, and the school that Urmston...