President Joe Biden announced Tuesday that Israel and Hezbollah had agreed to a United States-brokered ceasefire in Lebanon.

In addition to widening the risk of a regional war, the escalated tensions and back-and-forth strikes over the last year killed dozens of people in Israel, hundreds in Lebanon and displaced tens of thousands on both sides of the border.

Under the deal, which is set to go into effect Wednesday at 4 a.m. local time, the fighting at the Israel-Lebanese border will end,…