manila philippine troop tuesday kill pro-islamic state gunman southern city marawi military official say eight days government declare end hostilities soldier focus secure marawi survive militant fighters since end five months operations islamic state-inspired militants seize control part city may bid win foothold region conflict displace 350,000 residents kill 1,100 people mostly militants stir concern southern philippines become islamic state hub southeast asia military engage gunfight one suspect remain gunmen main battle area foil bid escape army spokesman colonel romeo brawner say still put troop possibility stragglers brawner tell news conference marawi main battle area many possible hide spot indonesians malaysians middle easterners among fighters flock marawi support islamic state emirate southeast asia thousands marawi residents start return home find dwell ransack brawner say army official five personnel detain barrack charge loot main battle area downtown marawi remain limit pending removal booby trap unexploded ordnance philippine military kill escape islamist militant marawi