Hong Kong firefighters have rescued a 13-year-old boy who climbed out of a window onto an air-conditioning unit to escape a fire that broke out in his flat, while his mother has been arrested on suspicion of child neglect. Police received reports at 7.54pm on Wednesday that a fire had broken out in a flat at Tsui To House, one of the blocks of Tsui Ping (North) Estate in Kwun Tong. Online video showed the boy, wearing only his underwear, climbing out of the window and onto the condenser unit as...