Firefighters , police and paramedics rescue woman at Clapham South . She fell from what passengers described as an 'overcrowded ' platform . But Transport for Tube deny 8am incident was due to overcrowding . Witnesses tell of fire crews hoisting up London train to free passenger , 28 . Others say her coat got stuck and she was dragged across platform . Huge queues as Northern line services in south Tube are paralysed .
Firefighters , police and paramedics rescue woman at Clapham South . She fell from what passengers described as an 'overcrowded ' platform . But Transport for London deny 8am incident was due to overcrowding . Witnesses tell of fire crews hoisting up Tube train to free passenger , 28 . Others say her coat got stuck and she was dragged across platform . Huge queues as Northern line services in south London are paralysed .