Israeli forces in southern Lebanon on Sunday opened fire on protesters demanding their withdrawal in line with a ceasefire agreement, killing at least 22 and injuring 124, Lebanese health officials reported.

Israel said it would keep troops in the south beyond the Sunday deadline because the Lebanese army had not yet fully deployed to ensure that Hezbollah does not reestablish its presence in the area.

The U.S. said on Sunday that the agreement between Lebanon and Israel would remain in effect until Feb. 18, after Israel said on Friday it would keep troops in the south beyond the Sunday deadline set out in a U.