There's disruption on London Midland and Virgin Trains between Birmingham New Street and Milton Keynes Central due to signalling problem at Birmingham International. All lines are blocked at Birmingham International.
Trains may be stopped or cancelled while the problem is being fixed. There is no estimate for a normal service.
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