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 Korea launched a series of short-range ballistic missiles during a nuclear counterstrike drill overseen by leader Kim Jong Un, in what state media said was a response to recent nuclear exercises by the United States and South Korea.

North Korea fired several short-range ballistic missiles into the sea between Korea and Japan on Thursday morning, Seoul's military said, in what officials characterized as a possible test ahead of export to Russia.