Three cars and a van have been involved in an accident on the A31.
The road is now closed both ways between B3078 (Lake Gates roundabout) and Brickyard Lane.
There is a local diversion for cars but police suggest lorries divert at the Roundhouse roundabout.
More top news
Dry and sunny tomorrow and feeling warm.
Mild tonight with warm sunny spells and light winds tomorrow.
A section of the M3 has been closed and bomb disposal units are at the scene after reports of "potential hazardous material in the road".