A South Korean court sentenced ex-president Yoon Suk-yeol to 30 years in prison on Friday for sending military drones into North Korea, saying he planned the action as pretext for his disastrous martial law declaration in 2024. The drone flights two months before Yoon suspended civilian rule, had sparked anger in North Korea, which accused the South of dropping propaganda leaflets as well. Judges said Yoon intended to provoke Pyongyang “into carrying out armed or equivalent acts against South...