SOUTH Korea's military said it scrambled fighter jets after detecting about 180 North Korean military flights north of the two countries' border over four hours. The North Korean aircraft flew north of the so-called tactical action line, north of the Military Demarcation Line between the two Koreas, South Korea's military said in a statement. The virtual line is used as a basis for South Korean air defence operations, a South Korean official said. South Korea scrambled 80 aircraft, including, F-35A stealth fighters, in response. About 240 aircraft participating in the Vigilant Storm exercises with the United States continued the drills,…