TRAFFIC tailbacks are building after a rush-hour crash near a Hampshire motorway.

The three-vehicle collision happened on the A34 north at Winchester and the carriageway is partly blocked.

Delays are being reported on the northbound carriageway of the M3 as far south as junction 11, while there is also slow traffic on the southbound side of the motorway.

Anyone with information on the crash is asked to contact Hampshire Police on 101.