Chilling CCTV footage shows the final moments of a YouTube music star’s life before a teenager stabbed him to death with a sword “out of the blue”.
Mazin Abdelmonim, 19, attacked Keany Kissingou-Mabiala, 20, while he was on the phone to his bank in Nottingham city centre on 12 October last year.
Abdelmonim, who did not know the victim, plunged a "fearsome" sword twice into his chest in front of dozens of shoppers.
Mr Kissingou-Mabiala took several steps before falling to the ground outside Victoria Centre.
Emergency services raced to the location and desperately tried to save Mr Kissingou-Mabiala's life but he died at the scene.
CCTV shows Abdelmonim running away while holding the sword but he dropped his phone and was tracked to a flat in the city.
He denied murder but was found guilty by a jury at Nottingham Crown Court and was jailed for life with a minimum of 20 years on Friday.
Davarnnay Parris, 18, was also present at the attack and had previously pleaded guilty to possession of a knife and possession of cannabis.
CCTV shows Parris trying to escape in a taxi but drivers refused him entry, so he ran to a nearby bus.
Footage released by Nottinghamshire Police shows him being arrested in front of shocked passengers.
Parris was found not guilty of murder and given a conditional discharge for two years.
Police said Mr Kissingou-Mabiala, whose songs have been played tens of thousands of times on YouTube, was targeted unexpectedly.
Detective Inspector Steve Wragg said: “Keany had his whole life ahead of him. He had a promising music career, he had dreams and aspirations.
“They were taken away from him when Abdelmonim attacked him out of the blue using a truly fearsome weapon.
“He was minding his own business walking through a busy city centre street in the middle of the day."
He added: “The impact this will have on each of their families is unimaginable.”