MANILA, Philippines — At least two schools in Batangas and Negros Occidental provinces tightened security measures and suspended classes after separate shooting threats surfaced online,

Authorities in Leyte and Northern Samar are investigating alleged student threats against their schools following the Tacloban City shooting.

INQUIRER FILES TACLOBAN CITY — Authorities in Leyte and Northern Samar are investigating alleged student threats against their schools, prompting officials to tighten…