Usher's stepson Kyle Glover, the 11-year-old son of Usher's ex-wife Tameka Foster, suffered a serious injury while enjoying a day on Lake Lanier in Georgia.

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Kyle was inner tubing on the lake when he was struck in the head by a jet ski, TMZ reports. The young boy was "unresponsive" when he was pulled from the water and transported to an Atlanta hospital. He is currently in critical condition.

Usher's ex was out of town at the time of the accident and despite the fact that they are going through a bitter divorce, Usher chartered a private plane for her to rush home and be at her son's side.

The Department of Natural Resource in Atlanta is now investigating the accident and will determine if there is any need to file charges, TMZ reports.