A lane has been blocked on the A12 at the Suffolk and Essex border after a driver suffered a medical episode. Emergency services were called to the northbound carriageway between Langham and Stratford St Mary at around 11am on Thursday to reports of a single-vehicle crash. Police say they are currently at the scene alongside the East Of England Ambulance Service .
One lane has been blocked and there are currently delays in the area. Drivers are being advised to seek alternative routes if possible..
