Traffic is reportedly being redirected at the scene of a collision involving a bus and two cars in Halstead.
The crash happened on the mini roundabout linking Colchester Road and Head Street near St Andrew's Church.
Eyewitnesses have reported people directing traffic at the scene.
The A131 (Head Street) is blocked from King's Road to Morley Road, according to the AA Traffic News website.
Essex Police refused to comment on the incident.
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