Commuters travelling to work on Greater Anglia services this morning are facing delays and cancellations due to a signalling issue.

A fault with the signalling system at Witham is blocking some lines, bosses have said, and disruption is expected until at least 7.30am.

Train services between Liverpool Street and Witham, Colchester, Clacton, Ipswich and Norwich are being delayed.

Greater Anglia chiefs are warning passengers that there may be short notice alterations, delays and cancellations on these services.

Network Rail engineers are on site and are working as quickly as possible to restore the train service.

Both Greater Anglia and Network Rail have apologised for the disruption.

Listed below are some of the delays and cancellations we are aware of (last updated 6.30am):

5.12am Colchester to London Liverpool Street DELAYED

05.12am Ipswich to London Liverpool Street DELAYED

5.20am Clacton-On-Sea to London Liverpool Street DELAYED

5.31am Bury St Edmunds to Ipswich DELAYED

5.40am Clacton-On-Sea to London Liverpool Street DELAYED

6.18am Witham to London Liverpool Street CANCELLED

6.29am Ipswich to London Liverpool Street ADDITIONAL STOP

6.40am Braintree to London Liverpool Street STARTED FROM CHELMSFORD

6.40am Braintree to Witham ADDITIONAL SERVICE

7.17am London Liverpool Street to Clacton-On-Sea STARTED FROM COLCHESTER

For an up-to-date list of cancellations, use the rail operator’s JourneyCheck tool.