1.The Nato summit opened on Wednesday with U.S. President Joe Biden’s welcoming speech, where he reassured the allies that the military alliance “is more powerful than ever.” President Yoon Suk Yeol is set to arrive in Washington to join the summit on Wednesday and Thursday.

2.The government on Wednesday unveiled a set of guidelines loosening class requirements for medical students to help them avoid failing semesters. Many medical students have been collectively boycotting classes since February in protest against the government's increase of the medical school admissions quota.

3.Record torrential rainfall battered South Korea's southern regions Wednesday, leaving five people dead and one missing. Gunsan, in Jeollabuk-do province, received a whopping 131.7 millimeters of rain within a one-hour span early Wednesday morning, the heaviest hourly downpour on record.