Dean Sweetland casts his gaze over a forlorn street in the Israeli community of Kibbutz Malkiya. Perched on a hill overlooking the border with Lebanon, the town stands mostly empty after being abandoned a year ago.

Now that Israel and Hezbollah have come to a cease-fire ending a year of fighting, the United Nations Interim Force in Lebanon, or Unifil, is again at the center of efforts to keep the peace but still lacks the capability to enforce a buffer zone between the parties,

A cease-fire between Israel and Hezbollah brokered by the U.S. and France took effect in Lebanon early Wednesday, raising hopes of ending more than a year of cross-border strikes and a full-scale war that has killed thousands.