The blasts that killed at least 37 people and wounded nearly 3,000 on Tuesday and Wednesday targeted communication devices used by the Iran-backed Hezbollah group

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

The UN's human rights chief has said that Israel's detonation of communication devices rigged with explosives is a violation of international law.

The UN human rights chief on Friday denounced the booby-trapped device attacks in Lebanon, stating that they constitute a breach of international human rights law and could amount to a war crime. Volker Turk told the Security Council,