North Korea blew up the northern parts of inter-Korean roads no longer in use on Tuesday, South Korea said, as tensions between the two keep rising.

North Korea has blown up sections of an inter-Korean road on its side of the heavily militarised border between the two Koreas, South Korea's Joint Chiefs of Staff said on Tuesday. At around midday, some parts of the road north of the military demarcation line dividing the countries were blown up,

North Korea is preparing to set off explosions on roads connected to South Korea, Seoul's military said Monday, days after Pyongyang announced it would cut off all inter-Korean links.