Ri Tong Il, deputy permanent representative of the Democratic People's Republic of Korea (DPRK) to the United Nations, speaks during a press briefing at the UN headquarters in New York, on April 4, 2014. The Democratic People's Republic of Korea (DPRK), blaming the United States for heightening tensions on the Korean Peninsula, on Friday said it was drawing a "red line", warning Washington not to cross it in its bid for "regime change" in Pyongyang. (Xinhua/Niu Xiaolei)
Ri Tong Il, deputy permanent representative of the Democratic People's Republic of Korea (DPRK) to the United Nations, speaks during a press briefing at the UN headquarters in New York, on April 4, 2014. The Democratic People's Republic of Korea (DPRK), blaming the United States for heightening tensions on the Korean Peninsula, on Friday said it was drawing a "red line", warning Washington not to cross it in its bid for "regime change" in Pyongyang. (Xinhua/Niu Xiaolei)
Ri Tong Il, deputy permanent representative of the Democratic People's Republic of Korea (DPRK) to the United Nations, speaks during a press briefing at the UN headquarters in New York, on April 4, 2014. The Democratic People's Republic of Korea (DPRK), blaming the United States for heightening tensions on the Korean Peninsula, on Friday said it was drawing a "red line", warning Washington not to cross it in its bid for "regime change" in Pyongyang. (Xinhua/Niu Xiaolei)
Ri Tong Il, deputy permanent representative of the Democratic People's Republic of Korea (DPRK) to the United Nations, speaks during a press briefing at the UN headquarters in New York, on April 4, 2014. The Democratic People's Republic of Korea (DPRK), blaming the United States for heightening tensions on the Korean Peninsula, on Friday said it was drawing a "red line", warning Washington not to cross it in its bid for "regime change" in Pyongyang. (Xinhua/Niu Xiaolei)