A4 closed following lorry collision

Thames Valley Police were called to the scene,at Grange Lane, at 9.15am to reports of a collision involving two lorries.
Fire and ambulance crews are also in attendance.
A spokeswoman for the South Central Ambulance, Michelle Archer, said a person had been taken to the Royal Berkshire Hospital with non-life threatening injuries.
There were also reports that fuel had spilled onto the road.
The A4 is partially closed near the A340 roundabout.
Station Road in Aldermaston Wharf is also closed.
A spokeswoman for Thames Valley Police, Lucy Billen, said that the road was likely to remain closed for some time while the lorries were recovered.