The army soldiers attacked Faylaq al-Rahman terrorists' positions in Jobar East of Damascus province, killing and wounding the entire militants who had gathered in the positions.
Army soldiers also targeted militants' centers and gatherings in the towns of Harasta, Douma, Hamouriyeh, Kafr Batna and Saqba.
The army men also engaged in fierce clashes with Jeish al-Islam terrorists in the town of Arbin, killing a number of them.
The Syrian fighter jets also launched heavy airstrikes on terrorists' gatherings in Arbin, inflicting a heavy death toll on the militants.
After capturing the towns of al-Reihan and al-Shifouniyeh, the army men are now approaching Douma, the main stronghold of the terrorists in the region.
With the capture of Hawsh Nasri, Hawsh Farah, Tal (hill) Kurdi and Tal Sawan by the army in Eastern Ghouta, the terrorist groups lost more fighters as are about to hand over more regions in Western Ghouta to the government forces.
Dozens of Fatah al-Sham Front (previously known as the al-Nusra Front) terrorists were killed or wounded on Sunday after the Syrian army's engineering units detonated a tunnel, filled with explosive materials, under their command base in Eastern Ghouta.
The Syrian military forces dug a long tunnel under Fatah al-Sham's command base in al-Qaboun region and blew it up after planting a large volume of improvised explosive devices.
Three buildings of Fatah al-Sham's command base were destroyed in the blast.
Tens of Nusra militants were also killed in the explosion.
Army soldiers also destroyed three positions of Fatah al-Sham in al-Qaboun region, killing a number of militants.
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