UPDATE: 6.29pm

Two lanes are closed and queueing traffic is reported for five miles due to the earlier accident

THREE people were being treated for shock after a van overturned on the M4 between junction 30 and junction 29 eastbound today.

The M4 eastbound is blocked, stationary traffic duebetween J30 at Cardiff Gate and J29 with the A48(M). The van has overturned just before the slip road from J29.

The fire service said no persons were trapped in the van after the incident at 4.44pm. Two crews attended from Roath and Malpas.