Advertisement London: A teenager who plotted an Anzac Day terror attack in Australia from his bedroom in England will be released from prison five years into a life sentence. The boy became the youngest Briton ever convicted of terrorism when, aged just 14, he encouraged Australian jihadist Sevdet Besim to attack a 2015 memorial parade in Melbourne and behead a police officer. The boy planned an attack on the ANZAC Day parade on St Kilda Road on April 25, 2015. Credit:Paul Jeffers Authorities discovered thousands of messages between the pair just weeks before Anzac Day that year and police swooped on Besim, who was later sentenced to 14 years' jail.