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Motorists on the M4 west of Cardiff have been warned of delays of an hour after a lorry rolled down an embankment off the motorway.The westbound M4 between Cardiff West and Pontyclun has been closed after the incident at 1000 BST, in which a van also overturned on the carriageway.
Emergency services are at the scene, between junctions 33 and 35.
Motorists are advised to avoid the area and find alternative routes, with speed limits reduced to 30mph.
Traffic was reported to be at a standstill, as drivers were diverted off the motorway at junction 33, by Cardiff West services.
The crash happened between Miskin and Pencoed.This article is from the BBC News website. ? British Broadcasting Corporation, The BBC is not responsible for the content of external internet sites.