The United Nations Relief and Works Agency, known as Unrwa, acknowledged that Fateh al-Sharif was placed on leave without pay in March after it launched an investigation into his political activities.

Hamas' leader in Lebanon is the latest Palestinian militant group commander killed there by Israeli airstrikes in recent days, including Hezbollah's longtime chief, Hassan Nasrallah.

Israel has hit targets across Lebanon and killed 1,030 people over the past week according to the country's Health Ministry, as Lebanese-based militant group Hezbollah sustained heavy blows to its command structure including the killing of its leader, Hassan Nasrallah.