N Korea blows up parts of inter roads as tensions with S Korea rise

South Korea said North Korea blew up the northern parts of inter-Korean roads no longer in use on Tuesday, as the rivals are locked in rising animosities over North Korea's claim that South Korea flew drones over its capital, Pyongyang.

South Korea's Joint Chiefs of Staff said in a brief statement that North Korea blew up parts of the roads on Tuesday.

It said South Korea's military is bolstering its readiness and surveillance posture but gave no further details.

The explosions came a day after North Korean leader Kim Jong Un called a meeting with his top military and security officials. During the meeting, Kim described the alleged South Korean drone flights as the enemy's serious provocation and laid out unspecified tasks related to immediate military action and the operation of his war deterrent for defending the country's sovereignty, the North's state media reported earlier Tuesday.

North Korea earlier put frontline artillery and other army units on standby to launch strikes o