A top U.S. envoy is in Lebanon for a second day of talks on a potential cease-fire agreement between Israel and Hezbollah. The extended visit suggests progress in negotiations, with the envoy stating that the gaps between the two sides have narrowed. The envoy may continue on to Israel depending on the outcome of discussions in Beirut. The war between Israel and Hezbollah has led to a humanitarian crisis, resulting in thousands of deaths and displacing a significant portion of Lebanon's population.