Emergency services have rushed to the scene of a serious crash in Blackburn.
Police said Peter Street is currently closed in both directions.
The incident was first reported shortly after 7pm tonight (March 3).
No details have been released on the number of vehicles involved or injuries.
However officers have warned that the road is 'likely to remain closed for some time'.
Motorists are being advised to find alternative routes.
A Lancashire Police spokesperson said: "We have closed Peter Street in Blackburn to traffic due to a collision.
"At this time we would advise anyone travelling through the area to seek alternative routes as the road is likely to remain closed for some time. Thank you."
Traffic alert service Inrix says Whalley Old Road is also affected.
They said: "Whalley Old Road in both directions closed due to accident between Daisy Lane and Peter Street. Traffic is coping well. The road has been closed since 19:05."
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