"Turkey has equipped the terrorist groups in Northern Syria with banned weapons such as cluster bombs," the sources added.
Meantime, the Syrian army continued its military advances in other parts of Syria over the past 24 hours.
Tens of terrorists were killed and dozens more were injured during the Syrian army's operations in provinces across Syria.
Hama
Terrorists launched an attack on the civilian population in Northern Hama, using banned weapons.
The terrorists of Jeish al-Izzah targeted civilian neighborhoods in Mahradeh city in Northern Hama from al-Latamanieh with Turkey-made cluster bombs, killing and injuring at least 39 civilians, including a number of women and children, battlefield sources said.
The sources said that Turkey has equipped the terrorist groups in Northern Syria with banned weapons such as cluster bombs.
The Syrian army also retaliated by pounding terrorists' positions in Kafar Zita, al-Latamanieh, al-Zuka Hasraya, al-Arbaeen, Mourek, Latmin and Hayalin in Northern Hama with heavy missile and artillery attacks.
The Syrian troops managed to inflict heavy losses and casualties on terrorists in their attacks.
The news comes as Ankara is duty-bound to monitor and prevent terrorists' movements in accordance with Astana agreement.
Meantime, the Syrian army has been pounding the military positions and moves of the terrorists in Northern Hama and Southern Idlib as a prelude to its impending massive military operations in Idlib.
Sweida
The Syrian Army men managed to drive terrorists out of more lands in the Eastern deserts of Sweida on Saturday.
The army soldiers engaged in fresh battle with terrorists Northeast of Toloul al-Safa in the Eastern deserts of Sweida, advancing 1km in the depth of terrorists' positions in Qa al-Banat area.
In the meantime, the Syrian army units advanced in the depth of rocky areas from Western angle towards Qabr Sheikh Hussein (Sheikh Hussein Grave), seizing control of several regions.
The army's artillery and missile units, meantime, pounded the positions and movements of the terrorists in Toloul al-Safa, inflicting major losses on the terrorists.
Fields sources, meantime, reported that the army men have tightened their grip on the terrorists by taking control over several ponds and breaking the terrorists' defense lines in valleys and rugged terrains.
Earlier reports said that the army units fortified newly-captured positions in the rocks in Toloul al-Safa in the Eastern deserts of Sweida, preparing to drive ISIL out of the last strongholds in Toloul al-Safa.
According to Fars News Agency, the army forces have been pounding ISIL's main positions in Toloul al-Safa, destroying a large volume of their weapons and equipment and killing tens of the terrorists, especially their snipers.
In the meantime, a local source reported that the remaining pockets of ISIL in Toloul al-Safa are on the verge of full annihilation, adding that the terrorists have resorted to attacks on army positions to lift the siege and move towards al-Tanf region, but they have thus far failed as the army men, backed up by Air Force, have warded off their offensives.
Hasaka
Several Syrian army soldiers and Kurdish militants were killed and wounded in clashes in Hasaka province.
The Arabic-language al-Mayadeen news channel reported on Saturday that 11 Syrian army men were killed in clashes with the Kurdish militia in the town of Qamishli.
Meantime, the Arabic-language service of RT reported that the Syrian army and Kurdish fighters engaged in clashes on Hasaka road near the Red Crescent garage in Qamishli, inflicting tolls on both sides.
It quoted witnesses as saying that the clashes erupted after the Kurdish units detained tens of candidates in the Syrian government's local council elections in the province.
The Kurdish militants have detained over 250 candidates in Hasaka, threatening them to withdraw their nomination.
Idlib
The Syrian government troops destroyed terrorists' centers in Idlib as the army is dispatching a large convoy of heavy military equipment to the province.
The Syrian Air Force annihilated the command posts of Ahrar al-Sham terrorist group in the surrounding areas of al-Habit village in Southern Idlib, killing and injuring at least 15 terrorists, the Arabic-language al-Manar news website reported.
Battlefield sources said that the Syrian army sent a large military convoy comprising tens of armored vehicles, tanks and BMP vehicles as well as several pickups carrying a large number of Syrian army troops to its battlefields in Idlib province.
They underlined that the Syrian army has sent thousands of its troops together with hundreds of tanks and trucks carrying weapons and ammunition to battlefields in Idlib, Hama and Lattakia.
847/940