FILE – In this Thursday, April 25, 2013 file photo, Norwegian war hero and resistance fighter Joachim Roenneberg holds a Union flag as he walks in a park near the Palace of Westminster, after receiving the Union Jack Medal for his efforts and cooperation with the British during the second World War. Norway’s leader says World War II saboteur Roenneberg has died at 99, it was reported on Monday, Oct. 22, 2018. In 1943, Roenneberg headed the four-man team that blew up a plant producing heavy water, which Nazi Germany could have used to produce nuclear weapons. P (AP Photo/Alastair Grant, File)