The explosions that have been widely blamed on Israel killed at least 37 people and wounded more than 3,000, including many members of the Iranian-backed group Hezbollah.

A debate has broken out in the U.S. over whether the attacks on Hezbollah members' pagers and walkie-talkies violate international law, and here is what we know so far. Two consecutive attacks on Hezbollah using exploding pagers and walkie-talkies in Lebanon and Syria killed at least 12 people,

The series of explosions that rocked Lebanon this week, killing dozens and wounding thousands, has prompted debate among legal experts on international humanitarian law.