North Korea accuses South Korea of a “serious provocation” after South Korean troops fired warning shots Tuesday at North Korean soldiers setting up barriers along their tense border.

South Korea fired warning shots at North Korean soldiers that briefly crossed the heavily fortified border earlier this week, Seoul said Saturday after Pyongyang accused it of risking "uncontrollable" tensions.

North Korea has accused South Korea of conducting a "deliberate provocation aimed at military conflict" after Seoul confirmed its soldiers fired ten warning shots toward North Korean troops it claimed had crossed the demarcation line between the two countries on Tuesday.