Leytonstone Tube station stabbing: Police seeking witness footage
Police investigating a "terrorist incident" at Leytonstone Tube station in London have urged witnesses who filmed the stabbing to share their footage with detectives.
A 29-year-old man was arrested on suspicion of attempted murder and a residential address in London is being searched.
A 56-year-old man who was seriously wounded in the attack is believed to be in a stable condition in hospital.
June Kelly reports.