US President Donald Trump has discussed a range of options with his national security team to respond to North Korea's recent missile and nuclear tests. This was informed by Mr. Trump's office. According to a statement, the briefing by his defense secretary James Mattis and top military officer General Joseph Dunford focused on a range of options to respond to any form of North Korean aggression or, if necessary, to prevent North Korea from threatening the United States and its allies with nuclear weapons.<br/><br/>The US administration has also been at the forefront of a drive to impose a series of sanctions against North Korea in response to its sixth nuclear test — the largest yet ' and the launch of two missiles over Japan.<br/><br/> The United State has flown two supersonic heavy bombers over the Korean peninsula in a show of force against Pyongyang, amid high tensions over North Korea's nuclear and missile programs. The US Pacific Air Forces said in a statement that two B-1B Lancers based in Guam flew a mission in the vicinity of the Sea of Japan yesterday. After entering South Korean airspace, the two bombers carried out air-to-ground missile drills in waters off the east coast of South Korea, then flew over the South to waters between it and China to repeat the drill, the statement said. The U.S. military said in a separate statement that Japanese fighters also joined the drill, making it the first night-time combined exercise for the U.S. bombers with fighters from Japan and South Korea. Joint Chiefs of Staff (JCS)of South Korea said the drill was part of a routine deployment training aimed at enhancing deterrence against the North's nuclear threats. <br/><br/> Tensions over North Korea's weapons programme have soared in recent months with Pyongyang launching a flurry of missiles and conducting its sixth and most powerful nuclear test last month.<br/><br/>

US President Donald Trump has discussed a range of options with his national security team to respond to North Korea's recent missile and nuclear tests. This was informed by Mr. Trump's office. According to a statement, the briefing by his defense secretary James Mattis and top military officer General Joseph Dunford focused on a range of options to respond to any form of North Korean aggression or, if necessary, to prevent North Korea from threatening the United States and its allies with nuclear weapons.<br/><br/>The US administration has also been at the forefront of a drive to impose a series of sanctions against North Korea in response to its sixth nuclear test — the largest yet ' and the launch of two missiles over Japan.