North Korea fired multiple short-range ballistic missiles on Wednesday toward its east coast, South Korea and Japan said, days after Pyongyang unveiled a uranium enrichment facility and vowed to beef up its nuclear arsenal.

North Korea launched several ballistic missiles into the East Sea on Wednesday, South Korea's military said, the isolated regime's second launch in less than a week as tensions ramp up on the Korean Peninsula.

North Korea successfully tested a new ballistic missile capable of carrying a "super-large conventional warhead," Pyongyang's state media reported on Thursday. State-controlled KCNA news agency quoted the country's Missile Administration as stating the test-fire,