The unprecedented attack, followed by explosions of walkie-talkies, comes after Israeli officials warned about escalating tensions on the Lebanese border.

Hundreds of pagers carried by Hezbollah members blew up nearly simultaneously in an attack that tops a series of covert assassinations and cyber-attacks in the region.

Hundreds of handheld pagers exploded near simultaneously in parts of Lebanon and Syria, killing at least nine people — including members of the militant group Hezbollah and a young girl.