In just a few days, a patchwork of rebel forces has seized control of a broad stretch of land in the west and northwest of Syria. But it’s unclear just how much support Syria’s weakened allies can provide.

Syrian government forces and their Russian allies are battling to hold back the offensive, with Russia launching airstrikes on Aleppo and the western city of Idlib on Sunday as Syrian government forces regroup, according to monitoring group The Syrian Observatory for Human Rights.

As rebels in Syria make new advances against government forces, Newsweek has mapped the political stances of the rest of the region.Since the conflict escalated in 2012, the Syrian civil war has been defined by intervention from other actors across the world.

Syria's President Bashar al-Assad on Monday branded an Islamist-led offensive that has captured swaths of territory an attempt to redraw the regional map in line with U.S. interests. His comments in a phone call with Iranian President Masoud Pezeshkian came as Syrian and allied Russian warplanes launched deadly raids on rebel-controlled areas.

Time and time again the Assad dynasty has survived internal and external challenges and lived to fight another day. But nothing lasts forever.

At least 300 fighters, primarily from the Badr and Nujabaa groups, crossed late on Sunday using a dirt road to avoid the official border crossing

Iranian-backed Iraqi militias have deployed in Syria to back the government’s counteroffensive against a surprise advance by insurgents who seized the largest city of Aleppo

The Syrian military rushed reinforcements to the northwest and launched airstrikes Sunday in an attempt to push back insurgents who seized the country’s largest city of Aleppo, as Iran pledged to help the government counter the surprise offensive.

Iran has thrown its support behind Syria's government after thousands of insurgents took control of the country's largest city of Aleppo.