UNITED NATIONS (AP) — North Korea says the unprecedented deployment of three U.S. aircraft carrier groups "taking up a strike posture" around the Korean peninsula is making it impossible to predict when nuclear war will break out. 
 
 North Korea's U.N. Ambassador Ja Song Nam said in a letter to Secretary-General Antonio Gutteres Monday that the joint military exercises are creating "the worst ever situation" around the peninsula. 
 
 He also said the U.S. has reactivated round-the-clock sorties with nuclear-capable B-52 strategic bombers "which existed during the Cold War times." 
 
 Ja said "the large-scale nuclear war exercises and blackmails, which the U.S. staged for a whole year without a break ... make one conclude that the option we have taken was the right one and we should go along the way to the last." ||||| UNITED NATIONS (Reuters) - North Korea complained to the United Nations on Monday about joint military exercises by the United State and South Korea, describing it as “the worst ever situation” because U.S. nuclear war equipment had been deployed ready to strike. 
 
 FILE PHOTO - A North Korean flag flutters at a guard post near the propaganda village of Gijungdong in North Korea, in this picture taken near the truce village of Panmunjom, South Korea, September 28, 2017. REUTERS/Kim Hong-Ji 
 
 In a letter to U.N. Secretary-General Antonio Guterres, seen by Reuters, North Korean U.N. Ambassador Ja Song Nam said the United States was “running amok for war exercises by introducing nuclear war equipment in and around the Korean Peninsula.” 
 
 Three U.S. aircraft carrier strike groups have been involved in the joint exercise in the Western Pacific in a rare show of force as President Donald Trump visits Asia. The last time three U.S. carrier strike groups exercised together in the Western Pacific was in 2007. 
 
 South Korea has said the joint drill, due to finish on Tuesday, was in response to North Korean nuclear and missile provocations and to show any such developments by Pyongyang can be repelled with “overwhelming force.” 
 
 FILE PHOTO - North Korea's Ambassador to the United Nations Ja Song Nam attends a ministerial meeting at the 72nd United Nations General Assembly at U.N. headquarters in New York City, U.S. September 22, 2017. REUTERS/Stephanie Keith 
 
 However, Ja said Washington was to blame for escalating tensions and accused the U.N. Security Council of ignoring “the nuclear war exercises of the United States who is hell bent on bringing catastrophic disaster to humanity.” 
 
 Ja asked Guterres to bring to the attention of the 15-member council - under the rarely used Article 99 of the U.N. Charter - “the danger being posed by the U.S. nuclear war exercises, which are clearly threats to international peace and security.” 
 
 Tensions have soared between the United States and North Korea following a series of weapons tests by Pyongyang and a string of increasingly bellicose exchanges between Trump and North Korean leader Kim Jong Un. 
 
 Trump said in a tweet on Sunday that Kim had insulted him by calling him “old” and said he would never call the North Korean leader “short and fat.” 
 
 The United States has said that all options, including military, are on the table to deal with North Korea, although its preference is for a diplomatic solution. 
 
 The U.N. Security Council has unanimously ratcheted up sanctions on North Korea over its nuclear and ballistic missile programs since 2006.
– North Korea says the unprecedented deployment of three US aircraft carrier groups "taking up a strike posture" around the Korean peninsula is making it impossible to predict when nuclear war will break out, the AP reports. North Korea's UN ambassador, Ja Song Nam, said in a letter to Secretary-General Antonio Gutteres Monday that the joint military exercises are creating "the worst ever situation" around the peninsula. He also said the US has reactivated round-the-clock sorties with nuclear-capable B-52 strategic bombers "which existed during the Cold War times." Ja said the "large-scale nuclear war exercises and blackmails, which the US staged for a whole year without a break ... make one conclude that the option we have taken was the right one and we should go along the way to the last." The three aircraft carrier groups have been taking part in a joint exercise with South Korea while Donald Trump visits Asia, Reuters reports. The last time so many carrier groups exercised together in the western Pacific was 2007. The North Korean letter came a day after Trump tweeted that North Korean leader Kim Jong Un had insulted the American president by calling him "old."