A casualty with non-life threatening injuries was treated by paramedics following this afternoon's crash and taken to The Royal Gwent Hospital.
Fire crews were alerted at 4.50pm but left the scene at 5.22pm after making the area safe. The lane is now open.
A CRASH involving "four or five cars" has blocked a lane on the M4 in Newport.
The collision happened on St Julian's Hill westbound between J24 at the Coldra and J25 at Caerleon.
One lane is blocked just prior to J25 at the bottom of the hill following the collision.
Emergency services are en-route but damage appears to be minimal on camera.