'71: watch Jack O'Connell in the world exclusive trailer for the Belfast-set thriller – video

'71 sees Jack O'Connell (Starred Up, 300: Rise of an Empire, Skins) star as Gary, a young English squaddie abandoned by his unit in Belfast at the height of the Troubles in Northern Ireland. Stranded in hostile territory, Gary must escape through the riot-torn city. The feature debut of director Yann Demange, '71 is released in the UK on 10 October