An attack on a special Philippine army counter-terrorism unit on Friday has left three soldiers and two civilians dead.
Military officials added that nine soldiers were wounded in the attack.
Conflicting reports have emerged, with one claiming it was an explosion in front of the army camp that caused the deaths, while another blaming it on "two suicide bombers".
An investigation is underway to determine what happened, with officials holding the Abu Sayyaf terror group responsible for it.

US military marks 11th successive night of attacks on Iran
Indian opposition disrupts parliament to support student protesters and pressure Modi
Rubio says US still willing to negotiate over Iran crisis
House fire kills 10 in Peru's capital, including five minors
Ukraine will step up counteroffensive actions, Zelenskyy's new top commander says