1. The Seoul International Aerospace & Defense Exhibition 2023 opened at Seoul Air Base in Seongnam on Tuesday, and will run until Sunday,... featuring aerial displays of the homegrown KF-21 fighter jet and U.S. strategic bomber B-52.

2. The revised enforcement decree of the Assembly and Demonstration Act went into effect Tuesday, allowing the police to prohibit rallies near the presidential office for traffic control purposes. 11 streets have been additionally designated as "main streets" where police can restrict rallies.

3. China is hosting its third Belt and Road Forum for two days beginning on Tuesday, to commemorate the 10th anniversary of the Belt and Road Initiative led by President Xi Jinping. Russian President Vladimir Putin arrived in Beijing Tuesday morning as a guest of honor for the forum, and is set to meet Xi this week.