State Highway 7 in Culverden has been blocked this afternoon after a serious single vehicle crash.
Police have been called to the scene between Long Plantation Road and School Road around midday.
Chris Lynch Media understands a truck has crashed into a tree.
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A police spokesperson said initial indications were that someone had suffered critical injuries.
The Serious Crash Unit has been advised.
Emergency services are expected to remain at the scene for some time and the road will stay blocked while enquiries continue.
Motorists have been asked to avoid the area and expect delays.
