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,

Spain's foreign ministry condemned this week's attacks targeting mobile communications devices used by Hezbollah members in Lebanon, saying they constituted a violation of international humanitarian law and threatened the region's stability.

There are no changes to U.S. military posture in the Middle East, the Pentagon told reporters on Thursday when asked about recent deadly attacks in Lebanon attributed to Israel that blew up Hezbollah radios and pagers.

Lebanon's Hezbollah said on Wednesday it attacked Israeli artillery positions with rockets in the first cross-border attack since the Tuesday pager blasts.