A cyclist in his 80 was taken to hospital with life-threatening injuries after a collision with a car near Colchester town centre.
The incident happened at the roundabout in Balkerne Hill, near the junction of Crouch Street West, shortly after 11am on Tuesday, Essex Police said.
The collision involved a black Ford Ka and a grey bicycle, with police believing the incident would have been witnessed by a number of people.
The cyclist, a man aged in his 80s, remains in hospital.
Any witnesses to the collision are urged to contact Essex Police, quoting incident number 396 of November 23.
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