(FILES) In this file photograph taken on June 9, 2013, masked Indonesian Muslim hardliners hold a rally against Syria's President Bashar al-Assad in Solo, located in central Java island, giving their pledge they are ready to join the opposition to battle Bashar al-Assad's regime. Indonesia could help combat the threat of homegrown extremism by banning its citizens from travelling abroad to fight with organisations such as the Islamic State group, a think-tank said on January 19, 2015. AFP PHOTO / ANWAR MUSTAFA /FILES
AFP - ANWAR MUSTAFA