North Korea says leader Kim Jong Un observed the first test-firings of missiles from a newly launched destroyer and called for speeding efforts to boost his navy’s nuclear attack capabilities

North Korean leader Kim Jong Un reportedly oversaw the test of a supersonic cruise missile fired from a new battleship -- the destroyer Choe Hyon -- this week.

North Korea said Wednesday leader Kim Jong Un observed the test-firings of missiles from a recently launched destroyer — the first such warship for the North — and called for accelerating efforts to boost his navy’s nuclear attack capabilities.