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.

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.

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.