Israel has warned on Sunday that its ceasefire agreement with Hezbollah could collapse if the Iran-backed group does not withdraw beyond the Litani River, one of the key stipulations of the truce.

A ceasefire between Israel and the Lebanese militant group Hezbollah has held up for over a month, even as its terms seem unlikely to be met by the agreed-upon deadline.

U.S. envoy Amos Hochstein the Israeli Army has started to withdraw from the western sector of south Lebanon and will continue to do so until completely out of Lebanon in what he described as "a successful process.