North Korea has told its border troops to take "prompt ​and resolute action" if South Korean forces threaten their safety, state media ​said on Wednesday, raising the risk of a clash along the ⁠heavily armed frontier. The report came a day after Seoul pledged to punish "resolutely" any ​further provocation by Pyongyang if North Korea acted on threats to strengthen its military ​posture along the border. cnn.it/4hZXGHx