PERSON@1 joined the ORGANIZATION@1 aged sixteen ; in NUMBER@1 he participated in an ORGANIZATION@1 ambush on a ORGANIZATION@2 -LRB- ORGANIZATION@3 -RRB- patrol but was himself shot , arrested and sentenced to eight years imprisonment .

In NUMBER@1 he was in an ORGANIZATION@1 ambush on an RUC police patrol , but was shot , arrested and sentenced to eight years imprisonment .
