The director of Syrian antiquities tells Channel 4 News Russia and the US should work together to save Palmyra, where Islamic State extremists have destroyed a 2,000-year-old Roman arch.
President Bashar al-Assad says only Russia, Syria and its allies can decide the fate of the Middle East, and that terrorism has actually spread as a result of the US-led airstrikes.
Prime Minister David Cameron has pledged to double the number of British drones used to fight militants for the so-called Islamic State, as well as "enhance" the involvement of the SAS.
Moscow says its jets have carried out 18 strikes against the Islamic State group since Thursday, but doubts remain over the real target.
Hany Al Moliya never imagined he'd become a refugee. After members of his family were murdered in their homes, his relatives fled Syria. He is legally blind and tells his story through photography.
In President Assad's heartland the Russian decision to start air strikes on Syrian rebel positions is being hailed by ordinary people, who hope they mark the beginning of the end of a long war.
An exclusive film reveals how Isis in Syria and Iraq systematically recruits children as young as eight to become soldiers and suicide bombers, and exacts brutal punishment on those who defy them.
Russia confirms it has begun air strikes in Syria, just hours after parliament granted Vladimir Putin the right to use military force in the war-torn country.