Delays of up to 20 minutes on East Midlands Trains between Leicester and St Pancras International due to safety checks of the line between Wellingborough and Bedford.
Trains can run through but may be diverted on to slow lines, which will cause delays. East Midlands Trains do not currently have an estimate for when normal service will resume.
Abellio, who run the Greater Anglia rail line, has been named Train Operator of the Year at the annual national Rail Business Awards.
Greater Anglia train operator Abellio says it's made real steps in customer service and punctuality in its first year in charge.
Greater Anglia have apologised for the delays that have disrupted services today