The Syrian military's deployment near the Turkish border came after Syrian Kurdish forces previously allied with the U.S. said they had reached a deal with President Bashar Assad's government to help them fend off Turkey's invasion.
The United States sees signs the Syrian government may be using chemical weapons, and warned that Washington and its allies would respond "quickly and appropriately" if this were proven.
Iranian Foreign Minister Mohammad Javad Zarif does not believe U.S. President Donald Trump wants war with Iran, but he told Reuters on Wednesday that Trump could be lured into a conflict.
World Economic Forum (WEF) President Borge Brende spoke to CNBC on Sunday, discussing his take on the evolving geopolitical landscape in the Middle East.
Beijing sees the situation in Syria as an opportunity to benefit economically, expand its influence in the Middle East and even boost its globe-spanning Belt and Road infrastructure investment initiative.
U.S. Republican and Democratic senators on Wednesday will introduce a bill seeking to punish Russia for meddling in U.S. elections and for its aggression in Ukraine by imposing sanctions on its banking, energy sector and foreign debt.
In a series of early posts on Twitter, Trump said he was fulfilling a promise from his 2016 presidential campaign to leave the Middle Eastern nation.
"I'll have to say if Trump withdraws from Syria and they do come back, like I think they will, he'll be one of the reasons they came back," Graham says.
In a lengthy statement, punctuated with eight exclamation points, Trump said that while "we may never know all of the facts surrounding" Khashoggi's death, "our relationship is with the Kingdom of Saudi Arabia."
The U.S. Treasury imposed sanctions on Tuesday on a multibillion-dollar financial network that supports an Iranian paramilitary force that it said recruits and trains child soldiers for the country's elite Revolutionary Guards.
U.S. President Donald Trump on Wednesday accused China of seeking to meddle in the Nov. 6 U.S. congressional elections, saying Beijing did not want his Republican Party to do well because of his pugnacious stance on trade.
The Russian defense ministry blamed Israel for the crash, saying the plane was caught in the crossfire as four Israeli fighters attacked targets in northwestern Syria.
After four years, and 10,000 deaths, the conflict with Russia in Ukraine has slipped off the west's political agenda, The Financial Times reports.
Trump also called Attorney General Jeff Sessions "mentally retarded," and was called "unhinged" and an "idiot" by his chief of staff John Kelly.
Iran's engagement in Syria is of particular concern to U.S. ally Israel, which sees the country's attempt at gaining a foothold on its border as an existential threat.
Israel claimed Syria's long-running civil war had effectively come to an end Thursday and predicted the Golan Heights frontier between the two countries would be much quieter over the coming months.
Iran has a range of non-conventional tools at its disposal to harm U.S. interests, many of which have long been in play and whose deployment is now likely to intensify.
Israel shot down a Syrian fighter jet it said had breached its airspace on Tuesday, as Syrian forces reached the Golan Heights frontier for the first time in seven years.
The Russian leader may ask Trump to stay out of the conflict in Ukraine, to withdraw troops from eastern Syria, and to continue talks with North Korea.
While it is unclear what President Donald Trump and Russian President Vladimir Putin will (or won't) agree to next week, here's a summary of the issues they may discuss.