The United Nations Security Council meets amid concerns of military strikes in Syria by the United States and its allies following a suspected chemical weapons attack in Syria last weekend, with the United States ambassador to the UN, Nikki Haley, accusing Russia of lies and covering for the government of Syrian President Bashar al-Assad, which she said had used chemical weapons at least 50 times in the past seven years of warfare, and the Russian ambassador to the UN, Vassily Nebenzia, blaming the United States, France and the UK for escalating tensions.
At least 18 people are killed and 16 others injured in a multi-vehicle accident involving a bus near Nahdah in northwestern Oman. Six of the dead were from Oman, four from Saudi Arabia, two from Pakistan, and one from Yemen. Five others are unidentified.
At least 40 people, including several fishermen, are reportedly killed following Saudi-led coalition airstrikes on two islands off Yemen's Red Sea coast. Local fisherman reported coalition aircraft and warships struck the Aqban and Kadman islands targeting Houthi forces but also destroyed several boats killing local fishermen.
Roughly 1,500 United Arab Emirates Army troops deploy with tanks and heavy equipment to the strategic southern Yemeni city of Aden which has been the scene of heavy fighting between Houthi militants and fighters loyal to the previous regime of Abd Rabbuh Mansur Hadi. Previous attempts by the Saudi Arabian Army and Royal Saudi Air Force to defeat the Houthis were unsuccessful.
A Middle Eastern coalition led by the Saudi Arabian army and Egyptian navy attacks positions in Yemen for the second successive day, resulting in at least ten deaths in Saada Governorate. Saudi Arabia declares that it will enforce a "no-fly zone".
The United Nations Security Council votes on an Arab League proposal to resolve problems in Syria with reports of hundreds of people dead in the past couple of days as a result of shelling in Homs - the People's Republic of China and Russia veto the resolution.