Tube trains to the Olympic Park in Stratford, East London were suspended this morning.
Spectators travelling to Stratford on the Central line at around 7am were told all services were terminating at Liverpool Street due to an incident at Leyton.
A defective train westbound was awaiting the arrival of the London Fire Brigade, a train driver said. Station announcers at Bank said there were reports of a fire on board the train.
More top news
There are five million British expats across the globe. Many have a vested interest in May's election and many still have the right to vote.
Abba's Bjorn Ulvaeus has a boyish enthusiasm for the cashless society - and he has a challenge for ITV News viewers.
Cuba may be entering a new era of pragmatism and reform, but scratch the surface and you will discover it is still a wounded island.