North Yorkshire Police closed the A59 near Green Hammerton after a serious crash this evening.
The force reported the crash, which led to long delays, at about 7pm this evening.
At this stage it is unclear how many vehicles were involved and the extent of any injuries.
Motorists have been warned to avoid the area while the emergency services deal with the incident.
A spokesperson for the police said:
“We’re currently at the scene of a serious collision on the A59 at Green Hammerton.
“The road is currently closed and diversions are in progress.
“There is likely to be some disruption for some time. Please avoid the area whilst emergency services respond.”
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