The South Korean military fired three precision missiles today in response to a North Korean missile that landed near South Korean waters.
The missiles were fired into waters "close to the northern boundary line at a distance matching that of the North Korean missile," South Korea's military said in a statement.
Seoul will "respond harshly to any provocation," the statement added.
Pyongyang launched more than 10 missiles, one of which landed not far from South Korean territorial waters, and Seoul retaliated with three air-to-surface missiles.
South Korean President Jun Suk Jeol condemned the "territorial attack".
A statement from South Korea's president said that a North Korean missile had crossed the northern border line for the first time since the division of the peninsula.
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