Israel has responded to Hezbollah’s fire with strikes in southern Lebanon, and has struck senior figures from the group in the capital Beirut. The exchanges have killed hundreds in Lebanon and dozens in Israel and forced the evacuation of tens of thousands of residents on each side of the border.

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,

Israel’s government is in turmoil and the United States is trying to head off a wider conflict in Lebanon, leaving officials to wonder about the timing of the attack.