1. South Korean President Yoon Suk Yeol departed on Monday for Lithuania to attend the North Atlantic Treaty Organization summit. He will go to Poland for an official visit later this week after the summit.

2. The Director General of the International Atomic Energy Agency, Rafael Grossi, arrived in South Korea on Friday and met with head of South Korea's Nuclear Safety and Security Commission, Yoo Guk-hee, Foreign Minister Park Jin on Saturday, and lawmakers from the main opposition Democratic Party on Sunday.

3. According to the Korea Meteorological Administration, hot weather persisted during the daytime on Monday, and frequent rain is in the forecast for the whole week.