The curfew prevents anyone from leaving or entering the city that was retaken by US-backed militias last October
US-led coalition against IS in Raqqa may have broken international law, says Amnesty International
The Turkish government has expressed concern that some fighters could have been smuggled across the border into Turkey
Kurdish groups working hard to give Arabs role in Raqqa but city falls outside Kurdish-dominated regions of north
A US-led coalition is seeking to oust Islamic State from Raqqa
The UNs is still assessing the outcome of talks held this week in Riyadh between the three Syrian opposition groups
Syria's foreign ministry accused the US-led coalition of committing a 'massacre' by striking the school