Original: He remained Reichskommissar until 8 May 1945 , when , after a meeting with Karl Dönitz to confirm his blocking of the scorched earth orders , he was captured aboard a German U-boat by Canadian sailors .
Simplified: He remained Reichskommissar until May 8 , 1945 , when , after a meeting with Karl Dönitz to confirm his blocking of the scorched earth orders , he was captured in Hamburg .