North Korea has successfully test-fired its biggest intercontinental ballistic missile yet. According to North Korean state media, the 'monster missile' Hwasong-17 flew to an altitude of 6,000 km and fell in Japanese waters after flying for more than an hour. The latest launch has drawn sharp reaction from neighbouring Japan & South Korea as well as from the United States. The U.S has put sanctions on two Russian companies and a North Korean entity for supplying sensitive items to North Korea's nuclear program. Watch this video to know more.