COPENHAGEN, Denmark | Norwegian hero Roenneberg who blew up Nazi plant dies at 99

COPENHAGEN, Denmark  — Norway on Monday mourned World War II saboteur Joachim Roenneberg, who headed a five-man team that daringly blew up a plant producing heavy water, depriving Nazi Germany of a key ingredient it could have used to make nuclear weapons.

Prime Minister Erna Solberg said Roenneberg, who died Sunday at 99, was “one of our finest resistance fighters” whose “courage contributed to…