North Korea's Kim Jong-un unveils 5,000-tonne warship

North Korean leader Kim Jong-un has unveiled a 5,000-tonne warship, which the state media KCNA called a "new multipurpose destroyer". The warship is equipped with the "most powerful weapons" and built "within 400-odd days perfectly with our own strength and technology," Jo Chun Ryong of the ruling Workers' Party said. The warship will go into service early next year.