The Syrian army regained control of a strategic region in Yabroud in Damascus countryside in the Southern parts of the Muslim country. The army units took control of Al-Jarabi region in the Eastern parts of Yabroud after fierce clashes with militant groups.   Also in the past 24 hours, the Islamic State of Iraq and the Levant (ISIL) killed the commander of the Ahrar Al-Sham in Northern Syria. Abu Khaled Al-Souri, founder and ringleader of Ahrar Al-Sham was killed in Al-Halk district of Aleppo city in Northern Syria. Meantime, units of the armed forces seized full control of the farms of Rasm al-Hour and Rasm al-Sadd in the Southern countryside of Quneitra after having eliminated the militants’ last gatherings in these areas, a military source said. Army units on Sunday carried out military operations against militants' dens and gatherings, and destroyed several armed groups in different regions across Syria. Elsewhere, a military source said that big numbers of terrorists were killed in al-Husn town including the leaders of the so-called 'Sharia court', in addition to destroying a number of their dens, gatherings and a cache containing huge amounts of weapons and ammunition. The source added that army units targeted militants' gatherings in al-Khalediyeh and Hosh al-Zawahira villages in the Eastern part of the provinces, killing all its members. In the meantime, an army unit confronted, in cooperation with residents, a militant group's attempt to attack a station for potable water in al-Mesherfh village, and destroyed a pickup equipped with a heavy machinegun, killing four militants. Meantime, the ISIL killed a senior commander of the rival Al-Nusra Front in Northeastern Syria. Ahmad Khalif Esmayeel Abu Jundal, ringleader of Al-Nusra Front, was killed in heavy clashes with ISIL in the Southern parts of the Kurdish-populated province of Hasaka. Abu Jundal had come to Hasaka from Deir Ezzur to command Al-Nusra’s operations against the ISIL.