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 test-fired multiple ballistic missiles toward its eastern seas, the South Korean and Japanese militaries said, adding to its military demonstrations as tensions with Washington and neighbors escalate.

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.