M1 southbound reduced to one lane after collision
The M1 southbound carriageway has been reduced to one lane between junctions 30 and 29A after a collision.
The Highways Agency say recovery is taking place at the scene for a vehicle which has lost a wheel.
There are long delays from J31 as a result.
UPDATE 5pm: All lanes are now open. Long delays remain from J32 but these should start to ease now.
More to follow.