North Korea flew 12 warplanes near its border with South Korea on Thursday, prompting the South to scramble 30 military aircraft in response, Seoul officials said. The highly unusual incident came hours after North Korea fired two ballistic missiles into the sea in its sixth round of missile tests in less than two weeks.

Eight North Korean fighter jets and four bombers flew in formation and were believed to have conducted air-to-surface firing drills, South Korea’s military said. The military said South Korea responded by scrambling 30 fighter jets and other warplanes, though they didn’t engage in any clash with the North Korean aircraft.

The North Korean planes were probably dozens of kilometers away from the border, South Korean media said. North Korea has previously sent military aircraft near the border, but Yonhap news agency said this is likely the first time it has mobilized so many warplanes for such a provocative flight and firing exercises.


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Tensions have risen sharply on the Korean Peninsula as North Korea’s recent barrage of missile tests prompted South Korea, the United States, and Japan to conduct joint drills in response.

Earlier Thursday, North Korea launched two short-range ballistic missiles toward its eastern waters. The launches came after the United States redeployed an aircraft carrier near the Korean Peninsula in response to North Korea’s launch of a nuclear-capable missile over Japan.

According to Politico, North Korea has conducted a record number of missile tests this year. South Korean officials said the North may further raise tensions by testing an intercontinental ballistic missile or conducting its first nuclear test explosion since 2017, following an old pattern of heightening tensions before trying to wrest outside concessions.

Some experts say North Korean leader Kim Jong Un is determined to continue with weapons tests aimed at boosting his nuclear arsenal in defiance of international sanctions. They say North Korea’s goal is to eventually win recognition as a legitimate nuclear state from the United States and the lifting of sanctions, though the United States and its allies have shown no sign of doing so.

The latest missiles were launched 22 minutes apart from North Korea’s capital region and landed between the Korean Peninsula and Japan, South Korea’s Joint Chiefs of Staff said in a statement. The first missile flew 350 kilometers (217 miles) and reached a maximum altitude of 80 kilometers (50 miles) and the second flew 800 kilometers (497 miles) with an apogee of 60 kilometers (37 miles).