(VOVworld) - Chief nuclear negotiators from South Korea, the United States and Japan say they will meet this week to discuss measures to deal with increasing nuclear threats from Pyongyang.

A long-range rocket is launched at the Sohae base in  North Korea (Photo: Reuters)

Special Representative for Korean Peninsula Peace and Security Affairs, Kim Hong-kyun, is meeting for two days with Japan's Kenji Kanasugi and US diplomat Joseph Yun on Tuesday. They're expected to discuss implementing new United Nations sanctions, as well as their country’s own unilateral sanctions, for North Korea’s nuclear weapons test in September. The sanctions are expected to cost Pyongyang 800 million USD a year.