"We are not backing out of this agreement. On the contrary, we believe that the recent events underscore its super-urgency. Unfortunately, this agreement has many opponents, if not enemies," Ryabkov told reporters.
The September 9 truce reached by the Russian and US diplomats that went into force last week was subject to extensions and anti-terrorist cooperation if it succeeded. The truce was marred by an allegedly errant US airstrike on Syrian government troops and by a deadly attack on a humanitarian aid convoy near Aleppo.