MANILA, May 3 (Xinhua) -- The Philippine National Police (PNP) went on full alert on Saturday to ensure a peaceful, fair, and orderly May 12 mid-term elections.

The Philippine Institute of Volcanology and Seismology raised the alert level from zero to one on a scale of five, or from normal to low-level unrest, after a phreatic eruption occurred at 4:36 a.m.