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.

With the deadline looming for the terms of a fragile cease-fire between Israel and Hezbollah to be met, an American diplomat on Monday said “much progress” had been made recently.

A senior Israeli leader has warned that the country’s ceasefire with Hezbollah could collapse if the U.S.-designated terrorist group does not abide by the conditions of the deal. Defense Minister Israel Katz said that Israel is “interested” in the complete implementation of the deal,