North Korea must “substantially” demonstrate its willingness to completely denuclearize in order to alleviate the international community’s concerns and earn sanctions relief, the South Korean President said on Friday.

In a speech to the Swedish parliament as part of the last leg of an official state visit to Northern Europe, Moon told lawmakers that there continues to be fears of an “accidental clash and nuclear armament on the Korean peninsula.”

“In order to mitigate sanctions of the international community, the concern must be dispelled,” the President said. 

“North Korea must substantially show to the international community its commitment to completely