THE A12 is partially blocked following a crash.

There is slow traffic northbound following a crash near the Dedham junction.

It involved a lorry and a car. 

It is affecting traffic approaching Ipswich.

We will keep you updated.

UPDATE 1PM: There are reports the road is now clear. 

UPDATE 2.16PM: The East of England Ambulance Service sent two ambulances and took two patients to Colchester Hospital for further treatment.