Delays of up to 15 minutes on Greater Anglia services from Cambridge, Bishop's Stortforrd and Hertford East into London Liverpool Street. Also delays on the Stansted Express service. It is because of a signalling problem at Broxbourne.
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