Bodycam footage released by UK police shows 18-year-old Henry Nowak telling police "I can't breathe" as they arrested him, with the university student later dying after being stabbed.

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