New Delhi, June 30 -- Hezbollah's leader on Saturday criticized a framework agreement that Israel and Lebanon signed a day earlier to end months of conflict between the Iran-backed militant group and Israel, raising concerns about its effectiveness.

The agreement signed Friday in Washington links Israel's withdrawal from Lebanon to Hezbollah's disarmament, something the group rejects.

Several previous ceasefire agreements that Lebanon has negotiated with Israel since the outbreak of the latest Israel-Hezbollah war were never implemented on the ground. More than 4,000 people in Lebanon have been killed in Israeli strikes since March, when Hezbollah fired at Israel two days after the Iran war began.

In a statement Saturday, Hezbollah lea...