Four train services between Norwich and Great Yarmouth have been cancelled due to a fault.
Greater Anglia said that the fault meant Wednesday's 6.52am and 8.09 services from Norwich to Yarmouth would not run.
The 7.30am and 8.45am services from Yarmouth to Norwich were also cancelled because of the fault.
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 The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.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