PART of the M27 is closed following a multiple-vehicle collision on the eastbound carriageway.
Police were called to the accident between junctions 11 and 12 at midday today.
Officers on the scene are investigating how many number of vehicles were involved.
Part of the eastbound carriageway is closed but is due to reopen shortly.
It is unknown whether anyone is injured.
A Hampshire Constabulary spokeswoman said: ‘We received conflicting reports of the number of vehicles involved. We believe there were either two or three.’