
Just two days after North Korea donated a hydrogen bomb, South Korean navy held live fire drills on Tuesday as the Korean peninsula continued to be the focus of world attention.
"If the enemy launches a provocation above water or under water, we will immediately hit back to bury them at sea," Captain Choi Young-chan, commander of South Korea's 13th Maritime Battle Group, said in a statement.
In fact, on Monday, South Korea had said it was talking to the United States on deploying aircraft carriers and bombers to counter the North Korean threat after it picked up signals its neighbour might launch more missiles.
North Korea had on Sunday conducted its sixth nuclear test which was widely condemned by Japan, South Korea, US including the United Nations. Japan had lodged a formal complaint with Pyongyang.
The explosion caused a 6.3 magnitude tremor at North's nuclear testing site.
South Korea's fire drills was conducted in thesea of Japan in which frigate Gangwon, patrol ships and guided missile vessels participated.