UN security experts have said they were negotiating with Syrian and Russian authorities for international chemical inspectors to deploy to the site of an alleged toxic gas attack near Damascus, after a reconnaissance mission came under fire.
Saudi Arabia hopes to bring Russia into the fold of an expanded club of global oil giants to sustain a stable market, leaving OPEC's role in question, analysts say.
A Saudi-led coalition battling Yemen's Huthi rebels warned them Monday of a "painful" response if they mounted new attacks on Saudi Arabia using what it said were Iran-supplied drones.
Syrian air defence shot down missiles over the central province of Homs, the state news agency said Tuesday, with the strikes reportedly targeting regime air bases.
The world's chemical weapons watchdog is set to convene Monday to discuss the suspected toxic gas assault in Syria that prompted an unprecedented wave of Western strikes, as its inspectors probe the attack near Damascus.
The UN Secretary General Antonio Guterres on Wednesday voiced concern to the Security Council's five permanent members over the "impasse" on Syria, stressing "the need to avoid the situation spiraling out of control."
A huge blast killed at least 13 civilians in Syria's northwestern jihadist-held city of Idlib on Monday, a monitor said, as an AFP reporter said it wrecked a multi-storey building.
Iran took the drastic step of fixing the rate of its currency against the dollar on Tuesday in a bid to arrest a slide that has seen it fall by a third in six months.