There are delays on a stretch of the M6 in the West Midlands after a lorry caught fire, National Highways has said. The incident is affecting the motorway northbound between junctions four and six in Birmingham. Three out of four lanes are closed, causing 90-minute delays in the area at its peak.West Midlands Fire Service extinguished the fire (National Highways)National Highways West Midlands said in their latest post online: “Lanes 1 & 2 (of 4) remain closed on the #M6 north between J4A #M42 junction & J5 #SuttonColdfield following a fire resulting in damage to the road. Lane 3 is now open.”West Midlands Fire Service continue to work on scene, they added.There were no casualties or injuries. Motorists are advised to follow National Highways West Midlands for traffic updates.This is a breaking news story. More to follow...