FILE - Hezbollah fighters stand near a four-wheel motorcycle positioned at the site where clashes erupted between Hezbollah and al-Qaida-linked fighters in Wadi al-Kheil or al-Kheil Valley on the Lebanon-Syria border, July 29, 2017. Forty years since it was founded, Lebanon's Hezbollah has transformed from a ragtag organization to the largest and most heavily armed militant group in the Middle East. (AP Photo/Bilal Hussein, File)