manila two weeks ahead regional summit philippine president rodrigo duterte thursday urge great cooperation battle islamist militancy follow military victories iraq syria southern philippine city marawi philippine foreign minister alan peter cayetano say duterte would discuss fight terrorism key priority asean leaders regional partner include u.s. president donald trump gather summit manila nov. 13. defeat suffer islamic state iraq syria philippines mean fight cayetano say statement day islamic state-inspired attack new york kill eight people injure 11. terrorist attack new york place abroad past several weeks tell us threat remain real marawi soldier kill two pro-islamic state gunmen arrest indonesian militant week army declare victory maute group occupy large part lakeside city five months big security crisis years roman catholic-majority philippines trigger concern island mindanao could become magnet islamic state fighters drive iraq syria 1,100 people mostly rebel kill battle air strike level heart city 200,000. six army battalions still ruin city hunt remain militants number 40 base information capture indonesian say colonel romeo brawner deputy commander military task force cayetano say philippines asean summit want deepen strengthen cooperation ally step efforts share intelligence train build resources among others also summit agenda north korea ballistic missile test nuclear weapons program overlap claim south china sea wide regional trade pacts philippines urge ally step efforts hunt islamic state affiliate worldwide still two small pro-islamic state militant group southern philippines manila focus terrorism southeast asian summit urge great cooperation