Traffic is queuing on the M25 this morning following an earlier collision involving up to five vehicles.
Currently one of four lanes is closed inside the Holmesdale Tunnel following the accident anti-clockwise between J26 for Waltham Abbey and J25 for Enfield (A10).
It is not known at this stage if anyone has been injured.
Traffic is expected to return to nornal from 9.30am, the Highways Agency has said.
More to follow.
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