Syrian government forces have regained control of areas they lost over the past two weeks to a rebel offensive on the edge of the northern city of Aleppo.
The UK-based Syrian Observatory for Human Rights said government forces and their allies have regained control of Al-Assad and Minyan districts, west of Syria's largest city.
Syrian state media also reported that the two districts have been retaken.
The Observatory said the fighting left 508 dead, including civilians and soldiers from both sides.
The insurgents seized strategic areas in western Aleppo in an offensive launched on October 28, hoping to break a months-long siege on rebel-held eastern parts of the city.