Traffic has been brought to a slow on the M25 due to a crash near the Swanley Interchange.
The incident happened on the clockwise carriageway between junctions three and four.
Two lanes have been closed and traffic is slow moving.
The event is expected to clear around 10.30pm tonight.
It comes after an earlier crash involving a van and truck near the Dartford Crossing.
One lane was closed between junctions 1a and 1b but has since reopened.