North Korean leader Kim Jong Un has paid his respect at a family mausoleum to mark the birthday of his late father and former leader Kim Jong Il, state media KCNA said on Monday, pledging to continue the "sacred struggle" for prosperity and security.

North Korean leader Kim Jong Un attended a groundbreaking ceremony for new apartment construction on the anniversary of his father's birthday, state media reported Monday.

The Kim dynasty that has ruled North Korea since its founding after World War Two and has sought to strengthen their grip on power by building cults of personality around them, th