South Korean President Park Geun Hye said Tuesday that Pyongyang's nuclear programme will not bolster the North Korean regime but "will only hasten its collapse," news reports said, at a time of heightened tension between the two sides.
Park, in a speech to the parliament in Seoul, vowed strong measures against North Korea following the country's recent nuclear test and long-range rocket launch, Yonhap News Agency reported.
"We should mobilize all possible means" to resolve North Korea's nuclear issue, Park said, warning that Pyongyang could deploy nuclear-tipped missiles.
Tensions between South and North Korea further escalated last week with the closure of the Kaesong industrial zone, the main joint venture and a key point of contact between the two sides.
The United Nations is considering sanctions in response to the North Korean launches, while Japan and the United States have already tightened their sanctions against Pyongyang.