A three car crash is causing heavy traffic on the M4 this morning.
It took place at 7.54am in lanes 2 and 3 and involved a black Ford Focus, a red Toyota Celica and a black Mercedes SLK.
The crash is being dealt with by the Highways Agency.
UPDATE: 9.30AM: The cars involved in the crash have been move to the hard shoulder and all lanes are now open. Some delays are still expected.
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