Central line passengers at Stratford station are being told the line will re-open at 9.30am following earlier fire alerts.
According to a police officer the train to West Ruislip has been advertised that it will arrive in "4 mins" for more than an hour.
For more on this story visit ITV London.
More top news
A man and woman have been arrested on suspicion of murder after a badly burned body was found in a garden in Southfields, south-west London.
Kim Jong-un has called Donald Trump "deranged" and says he will "pay dearly" for his threats, according to North Korea's state news agency.
Theresa May will tell European counterparts their shared political legacies depend on agreeing a good Brexit deal.