Los Angeles, Jul 22 (IANS): Singer Usher's 11-year-old stepson Kile Glover, who suffered critical injuries two weeks ago in a ski-jet accident, has died.

Kile Glover was Usher's ex-wife Tameka Foster's son from her first marriage. He had been on life support after he was declared brain dead by doctors. His parents later chose to put him off the system.

The boy met with the accident when he was playing in an inflatable raft and it collided with a watercraft driven by a family friend, Jeffrey S. Hubbard. However, no official complaint has been launched against him, reports contactmusic.com.

Foster took to Twitter following the tragic accident to ask fans and followers to pray for Glover.

"We know God's in control, and (we) are leaning on our faith in Him and His word at this most difficult time. We firmly believe in the power of prayer and ask that you all continue to pray and lift Kile up, as it's the best way we can all support him now," Foster wrote.