Watch this police footage of tube station knife attacker found guilty of attempted murder

Watch this police footage of the surveillance and capture of the man found guilty of trying to behead a random stranger at a Tube station after being inspired by the murder of Fusilier Lee Rigby.

Somali-born Muslim Muhiddin Mire, 30, attacked 56-year-old musician Lyle Zimmerman with a rusty knife and threatened four other travellers as he ran amok through the ticket hall at Leytonstone Underground station in east London.