Israeli forces killed 22 people and wounded 124 others Sunday when displaced residents of southern Lebanon defied Israel's decision not to withdraw from border villages and tried to return home.

Israel's military Saturday set up roadblocks across border towns and roads in a strategic valley in southern Lebanon, a day before the deadline for it to withdraw from the area under an agreement that halted its war with the Hezbollah militant group.

Israeli troops opened fire in south Lebanon on Sunday, killing 10 residents and a Lebanese soldier, health officials said as hundreds of people tried to return to their homes on the deadline for Israel to withdraw.

The ceasefire agreement between Israel and Lebanon will be extended until February 18, the White House said on Sunday. Why it matters: The extension was a result of mediation efforts by the Trump administration that were aimed at preventing the collapse of the ceasefire.

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.