Tube trains to the Olympic Park 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 is awaiting the arrival of the London Fire Brigade.
Station announcers at Bank reported a fire on board the train.
One of the main Tube lines serving the Olympic Park was suspended as hundreds of thousands of people made their way to Olympic events
Tube trains to the Olympic Park suspended because of fire alert
PM on Olympic Transport