A major train derailment in East Sussex has left at least 11 people injured, with two seriously hurt and three carriages overturned.

The incident, which occurred overnight, has been declared a 'major incident' by emergency services, with multiple emergency crews and trains rushing to the scene.

According to eyewitnesses, the train was traveling from London to Lewes when it derailed near the town's railway station. The exact cause of the derailment is currently unknown, with investigators from the Rail Accident Investigation Branch (RAIB) on their way to the scene to begin an investigation.

Train passengers described chaotic scenes as the train derailed, with many praising the bravery of the train staff and emergency responders for their quick response. 'I was just sitting in my seat when I heard a loud noise and the train started to shake,' said one passenger. 'It was like a wave of chaos, people were shouting and trying to get off the train.'

As investigators work to determine the cause of the derailment, the impact on rail services in the region is already being felt. Multiple trains have been diverted or delayed, with commuters facing significant disruption.

Thursday's derailment is the latest in a series of rail accidents to have plagued the UK in recent years. The incident has sparked calls for greater investment in rail safety and infrastructure, with many questioning whether the UK's rail network is adequately equipped to handle the demands of modern rail travel.