There are delays and cancellations to trains serving Ipswich this morning.
Due to a fault with the signalling system most services travelling through the station are delayed by around 10 minutes.
The 7.03am Stowmarket to London Liverpool Street train was also started from Ipswich.
The disruption is expected to last until around 9am.
There have also been two cancellations to services travelling to and from Felixstowe.
The 8.25am Ipswich to Felixstowe train and the 8.54am in the reverse direction are the services affected.
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