A man's in a life threatening condition following a crash between a car and lorry at Yoxford in Suffolk this afternoon.
The driver of the car has been airlifted to Addenbrooke’s Hospital in Cambridge.
The lorry overturned into a nearby field, but the driver wasn't hurt.
Police have had to close a northbound stretch of the A12 at Yoxford, but the southbound carriageway is also being affected.
The closure is causing disruption for traffic heading to the Latitude Festival at Henham Park near Southwold.
Drivers are being told to avoid the area and the road is expected to be closed until at least 7pm.
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More than 200 British paratroopers from Colchester-based 16 Air Assault Brigade jumped onto fields used 70 years ago by troops.
Mainly dry on Sunday in the Anglia region with some good sunny spells. One or two light showers are possible near coasts.