Sister and brother Marian Kelly-Downes and Matt Kelly with a spoon and metal cross made by the internee, escapee Matt Kelly, pictured beside the 1920 Slieve na mBan (Slievenamon) Rolls Royce armoured car which led the convoy ambushed at Beal na Blath when General Michael Collins was killed. Pic: Larry Cummins. The centenary event marking the 1921 Kilworth Camp Breakout was held at Lynch Camp, Kilworth Co. Cork on 15th September 2021. The 1921 Kilworth Camp breakout was a daring endeavour by republican internees, held under military supervision, during the War of Independence.