sydney australia send troop assist philippine force ongoing battle islamic state fighters southern city marawi australia defense minister marise payne say friday small contingents australian soldier send train philippine troop payne say press conference counterpart delfin lorenzana manila commit support philippines efforts defend terrorist threats minister payne say threat region need work together defeat australian troop actively involve fight lorenza say would look good would need troop fight war happy assistance get australia militants sweep marawi may 23 hold part despite sustain grind attack hundreds soldier daily pummel plan artillery southern philippines mar decades insurgency banditry intensity battle marawi presence foreign fighters fight alongside local militants raise concern region may become southeast asian hub islamic state lose grind iraq syria australian troop compliment country already send philippines train local personnel payne say philippine troop fight islamic state-linked rebel southern city encounter arm resistance women children likely family member militants phillipine military say monday spokesman payne say detail train contingent would determine come days australia send troop help philippines fight islamist militants