A350 Poole Road in both directions closed due to recovery work and accident, a bus involved between Rushall Lane and A35 / B3068 Blandford Road North.
All emergency services required at the scene. Sensors show traffic approaching the closures is coping well.
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James Wright has Monday's forecast for the east of the region.
James Wright has Monday's forecast for the west of the region.
For the second time this month, the region has been hit with heavy snow - leading to disruption and a number of events being cancelled.