Feature: The Islamic State group and the al-Qaeda-linked Nusra Front are imposing strict interpretations of Islamic teachings in the area they control.
Analysis: A wide array of opposition groups, some armed with US-made anti-tank missiles, have joined forces in the latest attempt to drive the regime from Aleppo.
Nusra Front and allied groups detonate huge mine under air force intelligence base before storming regime-held buildings, ending two-year battle for control.
Syrian rebels and fighters from the al-Qaida-affiliated Nusra Front have captured the only functioning border crossing with Jordan, prompting Amman to close it.
Two of Syria's largest rebel groups have united under one banner, as the opposition prepare an offensive on the regime's remaining strongholds in Idlib province.
