A collision between two passenger trains approximately 60 miles north of London has caused significant disruption to evening rail services. British media and Reuters report multiple injuries as a result of the crash. Emergency services, including fire and police personnel, are currently on scene and managing the situation. Authorities are advising the public to avoid the area. The extent of the injuries and the cause of the collision are currently under investigation. The incident is expected to cause major delays for commuters and travelers. Initial reports describe the impact as forceful, with some witnesses comparing it to an explosion.