Saudi Arabia police arrest one Iranian, one Lebanese and 16 Saudis on charges of spying.
Thousands of Iraqis demand American forces withdraw from the country during protests in Liberation Square, Baghdad, a year after an American drone strike killed Iran's general Qasem Soleimani and Iraq's militia commander, Abu Mahdi al-Muhandis. The anniversary of their deaths in Baghdad was also marked in Iran as well as by supporters in Syria, Lebanon, Yemen and other Middle East countries.
Iranian Minister of Foreign Affairs Mohammad Javad Zarif states that the "genocidal taunts" of U.S. President Donald Trump "won't end Iran", in response to President Trump's comments that if Iran attacked U.S. interests, "that will be the official end of Iran." He also blasted Saudi Arabian Minister of Foreign Affairs Adel al-Jubeir for his previous May 19 remarks regarding Iran.
The Saudi-owned news channel Al Arabiya shuts its offices in Beirut, Lebanon and dismisses 27 employees in a sudden move reflecting tensions between Saudi Arabia and Lebanon-based Hezbollah, which is backed by Iran. Saudi Arabia interpreted Lebanon's lack of public solidarity as a sign that it had become beholden to Hezbollah.
The United Arab Emirates (UAE) bans its citizens from traveling to Lebanon, just hours after Saudi Arabia issued a warning to its citizens to leave Lebanon in retaliation for Lebanon choosing to side with Iran in the Iran–Saudi Arabia proxy conflict and Hezbollah's influence on the Lebanese government.