Due to a serious collision, the M25 anti-clockwise is closed between J4 and J3.
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An elderly driver is said to have left the carriageway and crashed into trees alongside the motorway between J4 (Orpington) and J3 (Swanley). There are approximately 15-20 emergency vehicles on the scene. The air ambulance is still present. Emergency services, including Kent Police and an air ambulance, have also responded.