One Hezbollah official said the episode was the biggest security breach in the group's history. The operations, which appeared to throw Hezbollah into disarray, played out alongside Israel's 11-month-old war in Gaza and heightened fears of an escalation on its Lebanese border and the risk of a full-blown regional war.

Both Turkish and Lebanese officials are implementing or considering new security measures for communication devices following a multi-stage attack targeting Hezbollah members in Lebanon. The blasts, which came in two waves,