A collision between two passenger trains in London has resulted in one fatality and dozens of injuries, according to East of England Ambulance Service. The incident occurred during rush hour, prompting a large emergency response. Police previously confirmed the death and are investigating the cause of the crash. The extent of the injuries varies, with paramedics attending to numerous individuals at the scene. Authorities have not yet released details regarding the circumstances leading to the collision, but are working to secure the area and provide support to those affected. Disruptions to train services are expected as investigations continue and recovery efforts are underway.