North Korea’s military on Wednesday said that it fired artillery shots overnight into maritime buffer zones near the inter-Korean border as a “serious warning” over Seoul’s ongoing military drills.In a statement, a spokesman for the General Staff of the Korean People’s Army (KPA) said the North’s military launched a “threatening and warning” fire as its “powerful military countermeasure” against South Korea’s military exercises, reports Yonhap News Agency. The spokesperson also called on the South to immediately stop “reckless and inciting provocations” that have raised military tensions on the peninsula, according to the carried by Pyongyang’s official Korean Central News Agency.The shots came hours after the North launched more than 250 artillery shells into waters off its east and west coast.The KPA official said the move came in response to a series of “military provocative acts by enemies”, citing the Hoguk military drills under way in the South. South Korea kicked off its annual Hoguk field training on Monday to hone defence capabilities to counter North Korea’s nuclear and missile threats. IANS