A Greater Anglia train has partially derailed near Wickford in Essex.
An image taken at the scene shows the train to have come off the tracks, but it remains upright.
British Transport Police confirmed that paramedics and fire crews are on the scene after the incident at 2.12pm.
They confirmed that the ‘rear carriages’ derailed, but there are currently no reported injuries.
It comes not even 24 hours after a Southern Rail train derailed near Lewes railway station in East Sussex, leaving two severely injured and another 18 with less serious injuries.
Sign up for all of the latest stories
Start your day informed with Metro’s News Updates newsletter or get Breaking News alerts the moment it happens.
With around 150 passengers on board the service from London Victoria to Eastbourne, people were trapped for hours after several carriages turned on their side, prompting a major incident to be declared.
As the situation develops in Essex, a ‘do not travel’ warning is issued between Shenfield and Southend Victoria until further notice.
An initial statement from National Rail said: ‘There is a problem currently under investigation between Southend Victoria and Wickford, meaning that all lines are blocked.
‘As a result, trains running between Southend Victoria and London Liverpool Street will be cancelled.’
‘Major’ disruption, delays, and cancellations are expected until at least 6pm.
A spokesperson later confirmed that responders were ‘working quickly to understand the situation and to provide assistance where needed’.
‘We will provide further information in due course.’
Got a story? Get in touch with our news team by emailing us at webnews@usnewsrank.com. Or you can submit your videos and pictures here.
For more stories like this, check our news page.
Follow usnewsrank.com on Twitter and Facebook for the latest news updates. You can now also get usnewsrank.com articles sent straight to your device. Sign up for our daily push alerts here.