Senior officers clap hands as they listen speech by North Korean leader Kim Jong Un during the parade celebrating the 70th anniversary of the founding of the ruling Workers' Party of Korea, in Pyongyang October 10, 2015. Isolated North Korea marked the 70th anniversary of its ruling Workers' Party on Saturday with a massive military parade overseen by leader Kim Jong Un, who said his country was ready to fight any war waged by the United States. REUTERS/Damir Sagolj