A man has been seriously injured in a crash involving several vehicles on a busy Chesham road this morning.
The A416 Nashleigh Hill is shut - and is expected to remain so until lunch time - in both directions between Vale Road and Ashley Green Road.
Thames Valley Police's roads policing unit has urged drivers to avoid the area.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here