The armed rebel group Nusra Front has executed two members of the opposition faction Syrian Revolutionary Front, in the northeastern province of Idlib, a correspondent for The Anadolu Agency reported on Wednesday.
The Al-Nusra Front executed Syrian Revolutionary Front’s field commander Riad as-Selum and his nephew, a local activist Abu Ilyas al-Zawi told AA.
Other opposition factions in the region also confirmed the execution. No details or reason for the execution are known.
A conflict between the two opposition groups turned into armed fighting in early November, but the two groups were reportedly reconciled with the help of other factions.
Street protests, ruthlessly repressed by the Assad regime, turned into a bloody civil war which has claimed the lives of more than 150,000 people so far.
The unrest led to a civil war and created a fragmented opposition.
It also paved the way for extremist movements, such as the Islamic State of Iraq and the Levant, to gain a foothold in the region.