Judge slams ‘malign influence’ of rap lyrics

A 15-year-old thug who stabbed a pupil to death outside his school gates after an Instagram feud has been jailed for life. The killer dressed in black before ambushing Quamari Serunkuma-Barnes, also 15, as the victim left the Capital City Academy in Willesden, northwest London. He chased Quamari in and out of traffic before stabbing him three times with a serrated military-style knife in front of crowds of children leaving the school, which was designed by Sir Norman Foster and…