National Highways has issued an update after the crash caused rush hour delays this morning...

A crash on the M65 has been causing delays of more than an hour and miles of tailbacks this morning.

UPDATE: National Highways has issued an update saying all lanes are now open, but 'residual delays' of 45 mins and 4 miles of congestion remain on the approach.

What happened?

Emergency services were called to the scene on the westbound carriageway near junction 4 (Darwen/Blackburn South) at around 8.25am.

Two lanes (1 and 2) were closed and National Highways warned of delays of around 75 minutes and six miles of tailbacks.

Lancashire Police said a single vehicle was involved and resulted in minor injury. All lanes have been cleared and are now open.

According to traffic monitoring services, the average speed was around 10mph on the affected stretch of motorway between junctions 4 and 6 (Blackburn).