A militant is seen clashing with Syrian government forces in the Salaheddin neighborhood of Syria's Aleppo on December 11, 2013.[/caption]TEHRAN (FNA)- The Islamic State of Iraq and the Levant (ISIL) gained the upper-hand against the Free Syrian Army (FSA) and the Islamic Front in Aleppo countryside after fierce clashes with the two rival militant groups.
The ISIL made advances against the FSA and Islamic Front in the surrounding areas of Sarin town in Aleppo countryside on Monday.
The ISIL defeated the FSA and the Islamic Front and inflicted heavy casaulties on the two rival groups in the region.
After more than two years of fighting side-by-side and leading one of the bloodiest conflicts in the recent history of Middle-East, al-Qaeda affiliated groups have been making increasing moves against each other in the last few months.
Militants in Syria have been committing numerous war crimes against people and Syrian army soldiers throughout the country during their bloody war.
Sources said the number of antigovernment combat factions has reached 1,750, including the FSA, "ISIL, and other groups working for different agendas.
The conflict in Syria started in March 2011, when sporadic pro-reform protests turned into a massive insurgency following the intervention of western and regional states.
The unrest, which took in terrorist groups from across Europe, the Middle-East and North Africa, has transpired as one of the bloodiest conflicts in recent history.
As the foreign-backed insurgency in Syria continues without an end in sight, the US government has boosted its political and military support to Takfiri extremists.
Washington has remained indifferent to warnings by Russia and other world powers about the consequences of arming militant groups.
By Fars News Agency
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