The Syrian army units have cleared several areas, including Aleppo, Daraa, Homs, Damascus countryside and Idlib, from foreign - backed militants, destroying their weaponry. The Syrian army thwarted terrorist groups' attempt to infiltrate into safe areas of al-Ramouseh in Aleppo, inflicting heavy losses on the militants. A military source said that an army unit of the Syrian army foiled insurgent attempts to infiltrate from al-Waar farms in Homs, killing and injuring scores of them, and destroyed their equipment. The source added that other army units foiled another attempt by armed elements to attack a military checkpoint near al-Dweir in Adra, Damascus, inflicting heavy losses on their forces. The source pointed out that the army units targeted insurgent staging areas to the south of Rahoum village in the eastern countryside of Homs and in the villages of Taldo, al-Khaldiyeh, al-Daar al-Kabera, Talbiseh and al-Rasatan, eliminating scores of the armed elements. An army unit also killed six insurgents and destroyed a vehicle loaded with weapons and ammunition in Khan al-Sheeh area. Another unit clashed with armed militant groups in Daraya city, killing and injuring a number of terrorists and destroying many of their weaponry and munitions. Other army units carried out operations against terrorists' dens and gatherings in Nawa city and in the hills surrounding it in Daraa countryside, killing and injuring scores of terrorists. The source said the army clashed with insurgents in the areas of al-Jumruk al-Qadem, Sajna and near al-Arba'en Park in Daraa al-Balad. The army units destroyed a warehouse in Atman village in Daraa countryside and killed and injured a number of the militants. A military source said that the army killed and wounded terrorists in Kafr Najed, Nehlieh and Binnish in Idlib countryside and destroyed their military hardware. Syrian forces also targeted militant hideouts near al-M'ara town, killing and injuring a number of them. Syria has been gripped by deadly unrest since 2011. According to reports, Western powers and their regional allies - especially Qatar, Saudi Arabia, and Turkey - are supporting the militants operating inside the country.