Assad’s favor after a Russian blitzkrieg on Aleppo helped him regain control over the country’s second biggest city.

On "Forbes Newsroom," Gregory Brew, Senior Analyst at the Eurasia Group, discussed the ongoing conflict in Syria.

Russian forces in Syria are under attack from rebel groups in the Syrian capital, Aleppo, in response to increased strikes.

Syrian opposition fighters on Friday entered some areas inside Syria's second-largest city of Aleppo for the first time in years, activists and rebels said. "The rebels have entered areas inside the city of Aleppo for the first time since 2016,

Syrian rebels launched a surprise offensive into western Aleppo, challenging years of government control and reigniting fears in a war-weary city.

Syrian rebels launched a surprise attack on Saturday and quickly advanced through several provinces in the north and northwest of Syria, including the city of Aleppo, the country’s second largest city.

Diminished support for the Syrian government from Iran, Hezbollah and Russia enabled opposition forces to take the initiative and seize new territory.

Rebels captured Syria's second-largest city, Aleppo, over the weekend and advanced toward Hama in a surprise incursion that reignited Syria's 13-year-old civil war and embarrassed President Bashar al-Assad's forces.

Syria carried out airstrikes targeting the rebel forces that seized the country's second largest city of Aleppo in a surprise advance last week that caught the government off guard.

Anti-government fighters are continuing to advance even as Syrian and Russian forces seek to halt their progress.