Usher's stepson has been left brain dead following a jet ski accident over the weekend.
Kyle Glover, aged 11, was rushed to hospital on Friday after he and a 15 year-old girl friend were struck by a jet ski in Atlanta, Georgia.
According to TMZ, the son of Usher's estranged wife Tameka Foster, has experienced no brain activity since being admitted to hospital.
There is currently no news if a decision has been made to turn off his life support.
The Georgia Department of Natural Resources is currently investigating the accident, which also saw the unnamed female suffer a broken arm and a cut on her head in the crash.
Usher and Tameka are currently involved in a divorce battle, and have two children together - Usher Raymond V, 4, and Naviyd, 3.