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 inter-Korean roads and rail lines on its side of the heavily fortified border between the two Koreas, South Korea's military said on Tuesday, ratcheting up tensions on the Korean peninsula.

The roads’ choreographed demolition underlines North Korea’s growing anger against South Korea’s conservative government.