Emergency services are working to free a 62-year-old woman from a car, following an accident south of Taree.
The car was towing a caravan along the Pacific Highway near Seven Mile Road at around 11:40am, when the driver lost control and jack-knifed.
The male driver sustained minor injuries, while the condition of his female passenger is not yet known.
One northbound lane of the highway is closed and motorists are advised to expect significant delays.
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