"During the period that was supposed to be used to implement the agreements, al-Nusra Front regrouped, replenished its supplies, including weapons, changed its disposition," Maria Zakharova said in an interview with the Rossiya 1 TV channel, Sputnik reported.
The spokeswoman explained that the US-Russia peace agreement on Syria reached in September was supposed to ensure that none of the conflicting sides in Syria use humanitarian corridors for weapons supplies.
According to Zakharova, while the Syrian government forces fulfilled the agreements, "on the other side nobody moved a finger" to follow through with the deal.
On September 9, Russia and the United States reached an agreement for a peace process in Syria. A ceasefire stipulated by the deal entered into force on September 12, but while it was supposed to last at least seven days for the next steps to be taken toward the Syrian settlement, it disintegrated soon.
Russian Foreign Minister Sergey Lavrov has said that the United States had proven unable to meet its obligations on Syria, including unblocking the Castillo road in Aleppo and differentiating between terrorists and militant groups in Syria.
Syria government has been engaged in war against several militant groups since 2011, with government forces loyal to President Bashar Assad fighting numerous foreign-backed militants, as well as terrorist groups, Sputnik reported.
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