Southampton University student Mr Nowak, 18, was stabbed to death last December by knife-obsessed Vickrum Digwa, 23, using an eight-inch ceremonial dagger.

WARNING DISTRESSING CONTENT: Henry Nowak begged officers to call an ambulance after being stabbed by Vickrum Digwa, 23, who carried out the murder in Southampton city centre.

The chilling footage shows Mr Nowak lying on the floor as he is handcuffed by officers

The man convicted of murdering 18-year-old Henry Nowak in a Southampton stabbing has been jailed for life with a minimum term of 21 years.