The head and several leaders of a major Syrian rebel group, Jaysh al-Islam, have been killed in an air strike in a suburb of Damascus, reports say.
Founder Zahroun Alloush was among those killed when rockets hit a meeting place, rebels and activists said.
The Saudi-backed Islamist group is one of the biggest factions and is dominant in the eastern Damascus countryside.
It recently joined an opposition summit in Riyadh which produced a framework for peace talks with the government.
Read more: BBC