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.

Visiting US envoy Amos Hochstein said Israeli forces began withdrawing on Monday from a south Lebanon border town more than halfway into a fragile ceasefire between Israel and Hezbollah. It is the second such pullout since a November 27 ceasefire,

Israel warned the country’s ceasefire with Hezbollah could collapse if the U.S.-designated terrorist group does not abide by the conditions of the deal.

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.

The Israel Defense Forces (IDF) continue to search for and uncover Hezbollah munitions and terrorist infrastructure in southern Lebanon. IDF forces found weapons, explosives, and a tunnel in the fourth week of December.

The Israeli military said on Thursday that it had attacked and destroyed medium-range rocket launchers at a Hezbollah military site in southern Lebanon.