sentences:  When Raziel was killed along with a British officer, Meridor returned to Palestine and took over as Chief Commander of the Irgun.In 1943, Meridor relinquished command of the Irgun to Menachem Begin, but held senior positions in the Irgun until the Haganah handed him over to the British in 1945.He was sent to various detention camps in Africa, and carried out daring escape attempts.