The bomb exploded Tuesday night on a highway in Labangan town in Zamboanga del Sur province, Capt. Jefferson Somera, an army spokesman, told Xinhua.
The army recovered another bomb in the area.
Police said they were not able to identify the suspect.
Security forces found a bag containing an explosive device, with a cell phone acting as a trigger. The bomb was immediately defused.
--IANS (Posted on 04-09-2013)