Democratic People's Republic of Korea (DPRK) leader Kim Jong Un said the country's latest missile launches were a warning to Washington and Seoul over their joint war games, state news agency KCNA reported on Wednesday, as tensions rise on the Korean Peninsula. 

The latest launch by the DPRK came after Republic of Korea (ROK) and U.S. militaries began mainly computer-simulated joint exercises on Monday to test Seoul's ability to take operational control in wartime. 

Those drills are taking place despite Pyongyang's warnings that the exercises would jeopardize nuclear negotiations between the U.S. and the DPRK. 

KCNA said Kim had watched the launches early Tuesday, which verified the "war capacity" of the "new-type tactical guided missiles." 

With the launches carried out satisfactorily, "Kim Jong Un noted that the said military action would be an occasion to send an adequate warning to the joint military drill now underway by the U.S. and South Korean (ROK) authorities," KCNA said. 

Pyongyang on Tuesday fired two projectiles that "are assumed to be short-range ballistic missiles" into the sea, the ROK's Joint Chiefs of Staff said earlier. 

The latest weapons tests were the fourth pair of projectiles fired in less than two weeks. 

U.S. National Security Advisor John Bolton on Tuesday said the latest drills are "consistent with the partnership we have with South Korea (ROK). 

"North Korea (DPRK) has continued its exercises unabated. So they don't really have a lot to complain about," he told the "Fox and Friends" television show. 

War games known as Ulchi Freedom Guardian (UFG) scheduled for August last year were subsequently suspended and the allies' biggest annual drills, Foal Eagle and Key Resolve, were replaced with a shorter "Dong Maeng" or "Alliance" exercise in March.