Usher's stepson Kile Glover injured on lake Singer Usher performs during BET Awards 12, at the Shrine Auditorium in Los Angeles on July 1, 2012. ATLANTA, July 8 (UPI) -- Usher's 11-year-old stepson was in critical condition after he was run over by a personal watercraft on a Georgia lake, state officials and media reports said. Kile Glover and a 15-year-old girl were hurt Friday in the accident on Lake Lanier, the Atlanta Journal-Constitution said. Glover is the son of Tameka Foster, the ex-wife of the popular singer. The Georgia Department of Natural Resources said the driver of the water craft was part of the same group as the two injured kids, who had been floating on an inner tube when they were struck. Alcohol did not appear to be a factor in the mishap. The DNR did not release the names of the people involved in the accident; however Atlanta media outlets reported the injured boy was Usher's stepson, the Journal-Constitution said.