Several people are injured as explosion on Tube train in south London sends 'fireball flying down the carriage' and commuters jumping to safety
http://www.dailymail.co.uk/news/article-4887032/Explosion-underground-train-south-London.html
BBC link here: http://www.bbc.co.uk/news/live/uk-england-london-41218382
http://www.dailymail.co.uk/news/article-4887032/Explosion-underground-train-south-London.html
BBC link here: http://www.bbc.co.uk/news/live/uk-england-london-41218382