N Korea fires 23 missiles, prompting air raid alert in South SEOUL, South Korea (AP) — Air raid sirens sounded on a South Korean island and residents evacuated to underground shelters after North Korea fired more than 20 missiles Wednesday, at least one of them in its direction and landing near the rivals’ tense sea border.North, South Korea fire off dueling missile-launch videos North Korea continues missile barrage with test over Japan White House: NKorea covertly shipping artillery to Russia North Korea threatens to use nuke over S. Korea-US drills Hours later, South Korea’s military said it lifted the air raid alert on the island.Later Wednesday, South Korean fighter jets launched three air-to-surface, precision-guided missiles near the eastern sea border to show its determination to get tough on North Korean provocations.Japanese Prime Minister Fumio Kishida called North Korea’s continuing missile tests “absolutely impermissible.” Analyst Cheong Seong-Chang at the private Sejong Institute in South Korea said the danger of armed clashes between the Koreas off their western or eastern coasts is increasing.Animosities on the Korean Peninsula have been running high in recent months, with North Korea testing a string of nuclear-capable missiles and adopting a law authorizing the preemptive use of its nuclear weapons in a broad range of situations."