A man today told of passengers' terror when their Underground train ground to a halt after an apparent explosion in London.
Arash Kazerouni, 22, said: "There was a loud bang and the train ground to a halt. People started panicking, screaming and crying as smoke came into the carriage.
"A man told everyone to be calm and we were led to safety along the track."
Mr Kazerouni, from Edmonton, North London, who works for Barnet Council as a trading standards administrative officer, was heading from Liverpool Street to Cannon Street for a job interview in IT support.
He said: "Everyone was terrified when it happened.
"When they led us to safety, I went past the carriage where I think the explosion was. It was the second one from the front.
"The metal was all blown outwards and there were people inside being helped by paramedics.
"One guy was being tended outside on the track. His clothes were torn off and he seemed pretty badly burned.
"This whole thing teaches you, appreciate your life, you don't know what's round the corner."
Police sealed off several streets around Aldgate and told people to stand back as ambulances were bringing out casualties.
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