North Korea Threatens Defense Measures in Response to US-South Korea Agreement on Deterring Nuclear Threats

The US and South Korea have declared intentions to intensify collaboration to deter North Korea's nuclear threats.
South Korea's leader Yoon Suk Yeol visited Washington to strengthen the alliance, but the deal has received mixed reviews at home.
Kim Yo Jong, sister of North Korea's leader, has condemned the agreement and threatened more shows of military force.
North Korea believes it must enhance its "nuclear war deterrent" in response and has said the deal will worsen regional instability.
The US has pledged to provide South Korea more information on planning for potential conflict with North Korea, prompting Kim Yo Jong's criticism.