The single-vehicle accident on England's M1 motorway happened at around 5:50 p.m. local time Thursday.
Michael's publicist confirmed the collision to TMZ, but did not say who was driving the Range Rover or what it hit.
"[George] sustained a head injury and following treatment, stabilization and immobilization by land and air ambulance crews, he was flown to the hospital for further care," a spokesman for the emergency response crew said in a statement to TMZ.
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