An attacker who stabbed a man in an unprovoked knife attack has been jailed after detectives secured vital evidence to charge and remand him within 24 hours of the incident. Subscribe to the Evening Standard: https://bit.ly/Subscribe-to-Evening-Standard for the latest breaking news from the UK, US and around the world, plus podcasts and features. Evening Standard on socials: Check out our full video catalog: null Videos, daily editorial and more: https://www.standard.co.uk/ Like us on Facebook: https://www.fb.com/eveningstandard Follow us on Twitter: https://twitter.com/eveningstandard and Instagram: https://www.instagram.com/evening.standard