James Bird, 20, from Twickenham, west London, came to the woman's aid when the train made an emergency stop and she was found unresponsive on the platform. He recognised she had gone into cardiac arrest and immediately began cardiopulmonary resuscitation (CPR) - a skill he had learned just months earlier from his mother Claire Bird, who is part of the LAS's London Lifesavers team as a community resuscitation trainer.
Ger Heffernan, a 46-year-old who had been in good shape following a life of athleticism, unexpectedly suffered a heart attack after a vigorous swimming session.