For decades, Hezbollah’s grip on Lebanon was iron tight. With its vast arsenal, the militant group was more powerful than the country’s national military. It controlled or held sway over Lebanon’s most important government agencies as well as critical infrastructure,

Lebanon's parliament elected army chief Joseph Aoun head of state on Thursday, filling the vacant presidency with a general who has U.S. support and showing the weakened sway of the Iran-backed Hezbollah group after its devastating war with Israel.