Motorists are warned to expect delays of more than an hour on the M25 clockwise this morning after a crash that involved several cars and a lorry.

The crash, which is believed to have happened at about 5.30am, closed all but one lane of the M25 at junction 5.

Traffic was stopped for about 45 minutes until just after 6.30am. All lanes were reopened at 7.20am.

There are still severe delays on the M25, the M26 and A25.