North Korea claimed to have carried out a successful test-firing of a new hypersonic intermediate range ballistic missile (IRBM) on Monday, with North Korean leader Kim Jong Un, who observed the firing from a video feed,

North Korea fired a suspected ballistic missile Monday, Japan’s coast guard said, ratcheting up tensions in the region as political turmoil continues in neighboring South Korea.

North Korea launched a medium-range ballistic missile into the Sea of Japan, South Korea’s military confirmed. The missile, fired from the Pyongyang area, flew 1,100 km before splashing down between the Korean peninsula and Japan.