Multiple short-range ballistic missiles were fired by North Korea from an area around its eastern port city of Wonsan, South Korean military officials said.

North Korea on Thursday fired various types of short-range ballistic missiles into its eastern sea, South Korea’s military said, adding to a run in military displays that raised animosities in the region.

North Korean leader Kim Jong Un supervised missile tests that simulated nuclear counterstrikes against U.S. and South Korean forces, state media said on Friday. The tests of short-range ballistic missile systems from North Korea's eastern coastal city of Wonsan were detected by South Korea's military the day before.