Update: This incident has now cleared and the information below may no longer be relevant
The A31 is partially blocked due to a collision involving two vans on the eastbound carriageway between the A349 Merley Roundabout and Canford Bottom.
Traffic is slow in each direction as emergency services are on the scene and part of the road is blocked.
Congestion is backing up to the B3078 Wimborne junction through to the scene of the incident.