A mechanic said he saw a 15-year-old boy dragged 200 yards down the street after being hit by a bus when he fell off his hoverboard.
Jeffery Mingle, 33, said that he screamed 'there's a bus coming' after seeing Nawaf Al-Tuwayan was fall off the £250 gadget but he was unable to get up before being hit by the London bus.
Mr Mingle then saw him dragged 200 yards down the road while stuck underneath the bus as the driver was totally unaware he had hit the boy on Thursday evening, he claimed.

Mr Mingle said he desperately tried to chase the driver down to tell him what had happened, but by the time he got there, the boy could not be saved.
'I chased the bus, banged on the side and told the driver what had happened. We looked under the bus but it was too late. The boy was dead,' he told The Sun.
Mr Mingle told The Times that it took 15 minutes to raise the bus and then another 20 to get the boy out from under the bus in Glacier Way, north west London.
He also said that Nawaf didn't look confident on the board and was lunging forward and backward before it threw him 'face-first into the road', sending the board flying towards