Severe delays with replacement buses running on London Midland and Virgin services between Milton Keynes and Northampton, and on to Wellingborough for connections to London. It is being caused by overhead line problems.
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