UPDATED 1.20pm: North Yorkshire Police now say the road has reopened.
EMERGENCY services are currently at the scene of a serious crash in North Yorkshire.
North Yorkshire Police said the crash has happened close to South Milford, near Selby, and the incident is ongoing.
We are currently dealing with a serious RTC at #SouthMilford. Emergency services are on the scene. Please avoid the area whilst we deal.— NYP Control Room (@NYPControlRoom) May 18, 2017
A spokesman said the crash happened at about 8.30am today in Butts Lane, close to the junction with the A63, and a car has crashed into a tree. The driver is being attended to by emergency crews.
Local diversions have been put in place and motorists are urged to avoid the area until further notice.
Anyone who saw the crash should phone police on 101, select option one, and speak to the Force Control Room, quoting reference NYP-18052017-0092.
More to follow.