Russian Warplanes Join Strikes Against Rebels in Syria - The New York Times
- Russian Warplanes Join Strikes Against Rebels in Syria The New York Times
- Who are Hayat Tahrir al-Sham and the Syrian groups that took Aleppo? Al Jazeera English
- What to know about sudden rebel gains in Syria’s 13-year war and why it matters The Associated Press
- Who are the key players fighting in Syria’s civil war? The Washington Post