A collision between a Luton Airport Express service and a stationary train near Nottingham is under investigation after an express reportedly struck the rear of the stopped train. The incident occurs at around 5.15pm on Friday and involves a Luton Airport Express train running to St Pancras, which hits the back of a service traveling between Nottingham and St Pancras. Authorities report that one driver dies in the crash. In total, 99 people are injured, including 32 who sustain serious injuries. Investigators are working to determine how the express train came to collide with a train that was already stopped, and officials are examining the circumstances leading up to the impact. Reports characterize the event as one of the most serious rail crashes in the area in around 20 years, though the precise timing and cause have not yet been established. Emergency response and onward medical care are ongoing, while transport officials and investigators continue to piece together events from available evidence and records, including operational and safety-related information.