North Korea on Tuesday that its only "path to survival" lay in abandoning its nuclear and missile programs.In a speech to mark the third anniversary of the sinking of a South Korean naval vessel by what Seoul insists was a North Korean submarine, Park called on Pyongyang to "change course" at a time of elevated military tension on the Korean peninsula.
"For the North, the only path to survival lies in stopping provocations and threats, abandoning its nuclear weaponry and missiles, and becoming a responsible member of the international community," Park said.
The president delivered her speech at the national cemetery in the central city of Daejeon where the 46 sailors who died when the Cheonan corvette sunk are buried.
North Korea has always denied any involvement in the incident which precipitated a total freeze in South-North relations.
"Even now, North Korea is threatening our national security," Park said, citing Pyongyang's successful long-range rocket test in December and the third nuclear test it carried out last month.
Both events triggered U.N. sanctions that infuriated the North, which has spent the past month issuing increasingly dire threats about unleashing an "all-out war" backed by nuclear weapons.
Sabre-rattling and displays of brinkmanship are nothing new in the region, but there are concerns that the current situation is so volatile that one accidental step could escalate into serious confrontation and conflict.
Bruce Klingner, a Korea expert at the conservative Heritage Foundation in Washington, believes the "risk of miscalculation and escalation" is heightened by the presence of new leaders in both Koreas.