"On September 4, at night, Russian Hmeymim airbase airspace control means discovered two unmanned aerial vehicles… launched from an area of the Idlib de-escalation zone under the control of illegal armed units," Savchenko said.
He said the air targets were destroyed at a safe distance from the airbase.
"Despite the implemented ceasefire agreement, the number of violations on the part of the illegal armed formations acting in the Idlib de-escalation zone, fails to decrease. Over the past 24 hours, there have been attacks on the settlements of Safsafa, Djubb el-Meara, Kinsabba (three times), Sharaf, Nahshebba, Ain al-Kantara, Sandrin, Ikko (three times), Barish and on the positions of the government forces in the area of Abu Ali mountain in the Latakia province, on Halidia, Makanis al-Duvayry (twice), Assad academy districts in Aleppo, on the settlements of Mahardah, Al-Lataminah, Tel Bazam in the Hama province," the center's statement published on the official website of the Russian Defense Ministry said.
The statement also said that the armed rebel groups in the south-east of Syria have handed over four mortars, 19 weapons and around one tonne of ammunition.
Russian Foreign Minister Sergey Lavrov said on Monday that the ceasefire violations could not be tolerated forever. He noted that the truce breaches occurred on a regular basis, adding that Damascus along with Russia, Iran and Turkey, the ceasefire agreement's guarantors, were working towards separating the armed opposition from terrorists.