Russia Foreign Minister Sergey Lavrov said the U.S. is "illegally trying to create a quasi-state" for Kurds in eastern Syria.
The deputy commander of the Iran's elite Revolutionary Guards said that Hezbollah alone was powerful enough to defeat Israel.
Iranian Foreign Minister Mohammad Javad Zarif said that "President Trump repeatedly humiliates the Saudis" and apparently offered to join forces with the kingdom.
On the nuclear deal, Germany sides with Iran against the U.S. and Israel, but it is wary of Tehran's other ambitions across the Middle East.
An Iranian missile strike targeting jihadis just a few miles from U.S. troops in Syria was a response to warnings from the Trump administration.
Iran's top security official said Israel "will face regrettable reactions" if it tries to attack Syria again, as Russia's strategic balance sways.
A deal struck Monday by Russia and Turkey appears to have stalled any sort of imminent Syrian military attack on Idlib, but tensions remain high in the region.
Two Israeli border guards allegedly stripped Palestinian women and stole money while on duty in the West Bank.
Vladimir Putin and Recep Tayyip Erdogan agreed to establish a demilitarized zone of 15 to 20 kilometers in Idlib.
Russia and Iran want to press forward with a Syrian military offensive to retake the last rebel-held province of Idlib, but Turkey is pushing for a truce.
Republican State Senator Richard Black said he knew for weeks "that British intelligence was planning to work to stage a false flag chemical attack."
Two reports, one of which may have been censored by the Israeli military, claim Israel covertly armed and funded Syrian rebels for years.
The official Korean Central News Agency published a commentary Tuesday criticizing Japan's reported decision to boost regional cyber capabilities in its western district.
Russia's foreign minister gave his thoughts on the odds of an armed clash and said Russian meddling claims show Washington does not "respect the American choice at all."
Israeli warplanes reportedly attacked a site where Iran was trying to establish missile capabilities, according to reports.
A member of the Afghan National Police reportedly shot dead a U.S. soldier in a "green-on-blue" attack.
Reuters reported that Tehran was supplying missiles to Shiite Muslim militias in Iraq just a day after an Israeli satellite imagery firm alleged Iranian support for missile sites in Syria.
The defense secretary said the U.S. must support efforts so "the Syrian people can establish a new government that is not led by Assad."
After the U.S. defense secretary said Iran was "on notice," the Islamic Republic's top general warned any attacking forces would "pay a heavy price."
Russian President Vladimir Putin said U.S.-led NATO was refusing to discuss easing increasing tensions. NATO disputed this.
Russia and Iran are united in their support for Syrian President Bashar al-Assad, but the U.S. is looking to split the Moscow-Tehran alliance.
Beijing sent a U.S. navy plane six warnings to turn away from the South China Sea last week.
Moscow has ignored Japan's qualms about warplanes on an island Tokyo claims, promising to keep it informed about "everything that happens on the territory of Russia."
The Russia-backed Syrian military has kicked ISIS out of another one of its last outposts, but will U.S. allies Israel and Jordan pay the price?
Two former State Department officials who helped craft the 2015 Iran nuclear deal say allies are increasingly frustrated with U.S. financial dominance—and this may be the final straw.
The Syrian Democratic Council, the political wing of U.S.-backed forces, called on others to support talks with Damascus.
Syrian President Bashar al-Assad called Russia "a great power" that "has a duty to the whole world."
"There are no legal grounds for further operations by American servicemen in Syria," Russian Defense Ministry spokesman Major General Igor Konashenkov said.
Israeli military offensives in Gaza have usually led to spikes in Palestinian civilian casualties.