A Civil Defence member reacts in a damaged site near the frame of a burnt vehicle after an airstrike on al-Jalaa street in the rebel held city of Idlib, Syria. REUTERS/Ammar Abdullah

A man rides a motorcycle past a damaged building in the rebel-held al-Shaar neighbourhood of Aleppo, Syria, September 17, 2016. Picture taken September 17, 2016. REUTERS/Abdalrhman Ismail

Civil Defence members with blood on their shirts stand after double airstrikes on the rebel held Bab al-Nairab neighborhood of Aleppo. REUTERS/Abdalrhman Ismail

Civil defense members mourn the death of their comrade, who died during what activists said were airstrikes carried out by the Russian air force, during his funeral in Ehsim town in the south of Idlib province, Syria. REUTERS/Khalil Ashawi

A civil defence member carries a dead child in a site hit by what activists said were airstrikes carried out by the Russian air force in the rebel-controlled area of Maaret al-Numan town in Idlib province, Syria. At least 70 people died in what activists said where four vacuum bombs dropped by the Russian air force, January 2016. REUTERS/Khalil Ashawi

A man in a balaclava jumps over burning debris during a protest against the recent killings in Kashmir, in Srinagar, September 12, 2016. REUTERS/Danish Ismail

An Indian police officer and his colleagues arrange flowers on a coffin containing the remains of constable Rouf Ahmad Bhat, who according to the police was injured in a gun battle with suspected militants last month and later died, during his wreath laying ceremony in Srinagar, September 14, 2016. REUTERS/Danish Ismail

An Indian policeman fires a teargas shell towards demonstrators during a protest against the recent killings in Kashmir, in Srinagar September 13, 2016. REUTERS/Danish Ismail