Retaliation by Israel against Iran is expected after Tehran fired a barrage of more than 180 missiles at Israel on 1 October.
The North Korean government is preparing to blow up the roads connecting it to South Korea following alleged drone incursions that sparked intense backlash from the hermit state.
Kim Yo-jong, the influential sister of North Korean leader Kim Jong-un, accused the South Korean military on Monday of sending unmanned drones carrying leaflets over Pyongyang in recent days, while also blaming the United States for the incident.
The DPRK is also reinforcing its defense infrastructure and has informed the US military of its decision on the phone, asking it to avoid any accidental clashes.