Traffic is queuing on the M4 towards London because of a crash earlier this morning.

A crash on the M4 eastbound at junction J4B and J4 is causing long delays.

READ MORE: London Paddington train delays from Reading this morning

One lane is closed on the motorway and the crash is expected to clear by 10.45am.

The crash is affecting drivers travelling towards Heathrow Airport and the M25 motorway.