The Air Ambulance is now on the scene of the major accident on the A11.
A coach was in collision with a black Mercedes close to the Great War Memorial, near Elveden.
Suffolk Police say all 30 people on the coach appear to be fine. There were four people in the Mercedes, two are said to be critically ill.Police are diverting traffic away from the scene via the A1605 and A134.
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Cloud and outbreaks of rain will clear east this morning and it will turn brighter by the afternoon. Further showers are expected later.
Outbreaks of rain will move south east overnight, mostly clearing tomorrow morning. In the afternoon, a mix of sunshine and showers.