A serious collision on a major UK motorway has caused extensive traffic congestion near West Bromwich. Emergency services are on the scene following the incident. One person is reported to be injured. The crash has led to long queues and significant delays for motorists. The exact cause of the collision is under investigation. Authorities have not yet confirmed the number of vehicles involved. The motorway remains closed in parts as crews work to clear the scene. Local residents have reported heavy traffic and long waiting times. The incident has disrupted travel for many drivers in the area. Officials are urging drivers to avoid the affected stretch of road until further notice. The situation is being closely monitored by local authorities.