A major emergency response remains underway after two passenger trains collided near Bedford in eastern England on Friday, leaving dozens injured and causing widespread disruption across one of the country's busiest rail corridors.

Firefighters, police officers, ambulance crews, air ambulances, and specialist rescue teams rushed to the scene south of Bedford after the collision involving two East Midlands Railway passenger services. Initial reports indicate the crash involved the 3:50 p.m. Nottingham-to-London St Pancras service and the 4:40 p.m. Corby-to-London service. Preliminary investigations suggest one train may have struck the rear of another train that had come to a stop on the line.

Health Secretary James Murray said he was being kept informed of developments and confirmed that a number of people had been injured. Transport Secretary Heidi Alexander also said authorities were closely monitoring the situation and coordinating with emergency services.

Passengers onboard described a violent impact that threw people from their seats.

Peter Knapp, who was traveling in the front carriage of one of the trains, told media outlets that the collision felt "like a bomb explosion." He reported seeing injured passengers with bloodied faces and apparent broken limbs amid smoke-filled carriages.

Another passenger, Shola Mene, described hearing a loud bang before passengers were thrown across the train.

Witnesses reported scenes of confusion as emergency crews evacuated passengers and established triage areas near the tracks. Several people were treated at the scene while others were transported to nearby hospitals.

According to British media reports, Bedford Hospital activated emergency procedures and called in additional medical staff in anticipation of receiving dozens of casualties. Reports indicated that at least 50 injured passengers were expected to require treatment, with some injuries believed to be serious.

Emergency helicopters were seen landing near the crash site as rescue operations continued into the evening. Hazardous-area response teams and specialist railway rescue personnel were also deployed.

The collision has caused severe disruption to rail travel across central and southern England.

East Midlands Railway announced that services to and from London St Pancras were suspended for the remainder of the day, while Thameslink confirmed that all lines between Luton and Bedford had been blocked and urged passengers not to travel.

Large numbers of commuters have been affected, with cancellations and delays expected to continue as investigators examine the scene and engineers assess damage to the railway infrastructure.

Inspectors from the Rail Accident Investigation Branch have been dispatched to the site and have begun gathering evidence to determine the cause of the crash. Officials have not yet confirmed whether mechanical failure, signaling problems, or human error played a role in the collision.

Authorities have urged relatives of passengers not to travel to the area while rescue and recovery operations continue.

The full extent of the injuries and the circumstances surrounding the collision remain under investigation. (ILKHA)