http://www.bbc.co.uk/news/uk-england-london-34990379

A man has been arrested on suspicion of attempted murder after reports a
person was pushed into path of London Underground train.

The commuter was badly injured after he was struck at about 11:45 GMT at
Kentish Town station in north London.

British Transport Police said a 29-year-old from Colindale, north-west
London was detained after he voluntarily attended a police station.
His is currently in custody and being questioned by officers.

The passenger was treated at the scene by London Ambulance staff before he
was taken "as a priority" to a hospital in central London.
His condition is not known.