Jamaican dancehall artist Vybz Kartel is to be freed from prison after his murder conviction was overturned in March, a court ruled today. The 48-year-old artist was handed a life sentence in 2014 after his 2011 arrest for the killing of Clive ‘Lizard’ Williams – whose body was never found – but now, after 13 years behind bars, he has been freed fo…