North Korea launched missiles into the sea -- which landed near Japan's economic zone -- in a show of force amid a U.S.-South Korea military exercise.

North Korea has test-launched a wide range of ballistic and cruise missiles for more than two decades.

South Korea's military said Pyongyang had launched around 10 ballistic missiles on Saturday, as Seoul and Washington kicked off their springtime military drills.

North Korea launched missiles into the sea -- which landed near Japan's economic zone -- in a show of force amid a U.S.-South Korea military exercise.