How Assad learns of US-led air strikes - 15 secs
Syria's President Bashar al-Assad says his government is receiving information from the US-led coalition battling the jihadist group, Islamic State.
Mr Assad has told the BBC that there has been no direct co-operation since air strikes from foreign powers began in Syria in September.
But third parties - among them Iraq - are conveying "information".
His comments come in a wide-ranging interview with the BBC's Middle East editor, Jeremy Bowen.