Saudi Arabia declares a "state of high alert" after four Saudi troops are killed in an attack by Houthi militants in Jazan Province near the border with Yemen. Saudi air defences also shoot down a ballistic missile over its territory that was travelling towards Israel.
In his first official overseas trip since assuming power last year, Omani Sultan Haitham bin Tariq meets with King Salman of Saudi Arabia in Neom for two days to discuss a peace initiative in Yemen, and strengthen economic and investment agreements between Saudi Arabia and Oman. Saudi media reports it is also Salman's first face-to-face meeting with a world leader since the COVID-19 pandemic began.
Houthi forces take control of the Marib Dam, al-Balaq, Dahwan, and Athaf mountains, and the Kholan area, among others, as coalition forces retreat. This is the first time since 2015 that the Houthis control Marib Dam, which gives the Houthis fire control of the southern road to Marib.