Trains between Norwich and London have been cancelled due to a tree falling onto the overhead wires during Storm Franklin.
The tree has hit the line at Chelmsford, with Network Rail engineers on scene to remove the tree and fix the damaged wires.
The line is expected to reopen at 5.30pm.
Ellie Burrows, Network Rail's route director for Anglia, said: "Our teams have been working round the clock since Friday to repair damage caused by the storms across the rail network.
"We are working to restore services on this line as quickly as possible. I’d like to thank passengers for their patience."
The disruption follows the cancellation of all Greater Anglia services on Friday due to Storm Eunice.
Jamie Burles, Greater Anglia managing director, added: "It’s been another difficult day due to storm damage on the railway network.
"Thank you to all passengers who heeded our advice to only travel if it was essential."
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here