Commuters faced delays on the track after services were cancelled between London and Norwich due to a broken down train.
The 4pm train from Norwich to London broke down at Stowmarket causing delays in both directions.
Greater Anglia put announcements on Twitter.
It posted: 'The 16:00 from Norwich to Liverpool Street has broken down at #Stowmarket and has terminated there.
'As a result all trains calling at Stowmarket will use platform 2 the Nowich, Bury St Edmunds platform in both directions.
'The following trains are cancelled as a result -the 18:30 and 20:00 from Liverpool Street to Norwich.
'The 17:30 from Norwich to Liverpool Street.'
Services continued to be affected with the company warning that trains heading towards Ipswich will be delayed by 20 minutes or cancelled until about 9pm.
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