(Last updated Thursday, 10am).

Motorists and commuters faced long rush hour delays throughout High Wycombe this morning after a major junction was closed by police.

LIVE UPDATES - We're at the scene of major police cordon in High Wycombe town centre 

Detectives investigating a serious incident in the town cordoned-off West Wycombe Road at 4.30am today.

READ MORE HERE: Major police investigation launched as junction cordoned-off

The closure left chaos on the roads with motorists stuck in lengthy queues and bus routes diverted or cancelled.

The road could be closed for most of the morning, according to initial reports.

There has also been a crash on the A40 London Road this morning.

This is currently closed according to Bucks County Council.

READ MORE HERE: Latest traffic and travel advice

There was heavy traffic on Desborough Avenue and Arch Way, with delays also reported on Marlow Hill and London Road.

Carousel Buses were delayed with Service 40 and 5 among the affected routes.

Click here for the very latest traffic and travel advice near you.