Tube face slashing incident: CCTV shows moments after attack
22 October 2012 Last updated at 19:39 BST
CCTV footage has been released of the moments before and after a man slashed the face of a teenager during the London Tube's rush-hour.
The incident happened between Edgware Road and Marylebone Tube stations on the Bakerloo line in October 2011.
Ahmed Bero, 23, of Gillingham, Kent, was convicted of wounding and possessing a blade.
John Hunt reports from Blackfriars Crown Court.