Describing the mother as “friendly”, Mr Wilkinson added: “He (the son) used to play poker, he’d play poker he was a real poker fan and he used to join clubs and things like that. He didn’t speak too much.”His wife added: “He was a quiet boy actually. He was just an ordinary teenager, he must have been about 15 or 16 when they moved in there.”He was very friendly with a lad that lived around in George Street. A couple round there had a lad about the same age and thy were very friendly, he used to go round there and then you would see him come down and go off somewhere.”Another resident, who did not want to be named, said: “Damon went to go to university. He just seemed like a really gentle lad.”He is really smart, really smart. I know he played poker and stuff, he’s really good at it. “From meeting him I would he really surprised. He is the gentlest natured person. He was lovely, you just knew he was smart.” Smith moved to London from Devon this summer, his neighbours claimedCredit:Twitter Several addresses linked to the student have been visited by police since a suspect device was found on board a Tube carriage on the Jubilee Line near the O2 Arena in Greenwich on Thursday.Police, who refused to confirm he was the 19-year-old in custody, raided his former home in Newton Abbot on Saturday and are also understood to have visited a nearby relative.In Devon, officers discovered a second suspect device, understood to be behind a garage, which has since been described as “not viable”. The scene in Newton AbbotCredit:BBC Damon Smith was described as a big poker fanCredit:Twitter Counter-terrorism officers cordoned off streets near the property and are known to have visited at least one relative of Smith’s nearby.The housing association property Smith shared with his mother is just yards from the town’s police station on nearby Baker’s Hill.Ray and Enid Wilkinson, who live on the same street as Smith’s former home, said Smith’s mother was divorced.She said: “We knew the pair there because she had a dog and she used to go past with her dog…. Back in the summer they moved to London, the mother and son. We used to speak to her and the son.”They are Teign Housing Association houses so she put in for a transfer, she told us that she wanted to move.”He went first. He went the son and then one day she said to Ray, I’ll be moving soon, they’ve got me a place in London.” A teenager linked to the London Underground bomb plot was a poker-loving student who was only ever seen with his mother, The Telegraph can disclose.Damon Smith, 19, had moved from Devon to the capital over the summer to attend university. He was joined there by his mother, Antonitza, who feared he would struggle to cope on his own, neighbours claim.On his Twitter account, Smith poses with wads of cash he has won playing poker and also posts pictures of a recent trip to Tunisia and Turkey. The neighbour added: “Mum felt she needed to still be nearby to cook his dinner and stuff. I think that was another reason why I thought he was a bit vulnerable.”It wasn’t just because he was starting university but it was that they were fed up of the area, there was nothing here for them….They were always together, I don’t really remember him being with anyone else. He didn’t have a big friendship circle or anything.”One member of the Smith family told The Telegraph relatives had been told not to speak to the press.Security sources say the man in custody, who was Tasered outside London Metropolitan University on the Holloway Road, close to Arsenal’s football ground, was acting as a “lone wolf “.Scotland Yard has until Friday to question the suspect in custody. The force refused to confirm his identity.A statement said: “Officers are keeping an open mind regarding any possible motive. They are not looking for anyone else in relation to this investigation at this stage.”The discovery and subsequent arrest came 11 years after the 7/7 bombings of the London transport network. Want the best of The Telegraph direct to your email and WhatsApp? Sign up to our free twice-daily Front Page newsletter and new audio briefings.