Inrix's latest update on the injcident reads: "M4 Eastbound entry slip road closed, long delays due to multi-vehicle accident at J24 A449 (Coldra).
"Congestion to J25 (Caerleon). The opposite side is also congested due to the onlookers back to J23A (Magor Services).
"The entry slip road from the A449 underneath the motorway onto the Eastbound M4 is closed.
"All traffic was held on the motorway itself just after 16:30 until just prior to 16:50."
