Thirty to 40 militants were killed , but only 21 bodies had been recovered , the military said . Thirty to 40 militants were killed , but only two were recovered , military says . Clashes take place on the neighboring island province of Basilan , military says . Abu Sayyaf has been linked to al Qaeda .
Thirty to 40 militants were killed , but only two were recovered , military says . Clashes take place on the neighboring island province of Basilan , military says . Abu Sayyaf has been linked to al Qaeda .