FILE PHOTO: Forces loyal to Syria's President Bashar al-Assad play football at al-Hamdeya neighborhood in Homs city, Syria May 9, 2014. REUTERS/Khaled al-Hariri/File Photo
Forces loyal to Syria's President Bashar al-Assad play football at al-Hamdeya neighborhood in Homs city, Syria May 9, 2014. REUTERS

Iran and Russia ‘friction point’ forecast in Syria, Chatham House hears