North Korea is believed to have test-fired a submarine-launched ballistic missile (SLBM) off its eastern coast on Wednesday morning, South Korea’s military said in a statement. 

In a follow-up assessment following initial news of the test, South Korea’s Joint Chiefs of Staff (JCS) said the military detected “one unidentified ballistic missile” being fired eastward from waters northeast of the Wonsan area, Kangwon Province at 0711 local time.

“The ballistic missile launched this time is presumed to be Pukguksong-class,” the JCS added.

The missile flew around 450 km from the DPRK’s east coast, the statement continued, at an apogee of around