An emergency timetable has been put into place after major disruption on rail services from Hertfordshire, Cambridgeshire and Norfolk into London's King's Cross.
Urgent engineering work is taking place in the Alexandra Palace area of north London.
First Capital Connect is operating an amended timetable. It affects services to and from places like King's Lynn, Ely, Cambridge, Peterborough, Stevenage, Letchworth and Royston.
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It's going to be another dry day with plenty of sunny spells and feeling humid. Highs of 27 deg C.
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A mainly dry day with some sunny spells in the morning, but turning cloudier during the afternoon. Feeling warm. Highs of 27 deg C.