Syrians will have to cope with a full-scale civil war alone, Konstantin Kosachyov, deputy chairman of Russia's upper house of parliament said on Sunday, while suggesting that Moscow was ready to support the Syrian people in certain circumstances.

Despite those designations, Turkey has provided indirect assistance to HTS. The Turkish military presence in the northwestern Syrian town of Idlib largely shielded the group from attacks by Syrian government forces,

The United Nations and human rights organizations have faced challenges in counting all those killed and missing in the conflict that began in March 2011.

"I believe there will be violent fighting, the end of which we do not know," a top Syrian Democratic Council official told Newsweek.

Assad's regime is conducive to the return of the Islamic State. According to the BBC, the commander of the Syrian Democratic Forces, Mazlum Abdi, warns of increased IS activity and the threat of prisoners being freed.

Assad's regime sets the stage for the potential return of the Islamic State. According to the BBC, the commander of the Syrian Democratic Forces, Mazloum Abdi, warns of increased Islamic State activity and the threat of prison breakouts.