"The government of the Republic will continue to steadily strengthen its nuclear status as absolutely irreversible and launch an offensive against the forces opposing us to crush all their anti-Republican provocative actions," Kim said, as quoted by the state-run Korean Central News Agency (KCNA).
North Korean leader Kim Jong Un officially declared South Korea a hostile state.
"We will especially regard South Korea as the most hostile state, completely rejecting and ignoring it with the clearest words and actions," Kim said, as quoted by the state-run Korean Central News Agency (KCNA).
Any encroachment by South Korea on North Korea will be followed by merciless retribution, he warned.