Israel-Hamas war: An explosion in Beirut on Tuesday killed Saleh Arouri, a top official with the Palestinian militant group Hamas and three others, officials with Hamas and the Lebanese group Hezbollah said. Lebanon’s state-run National News Agency said the blast killed four people and was carried out by an Israeli drone. Israeli officials declined to comment.Israel-Hamas war: An explosion in Beirut on Tuesday killed Saleh Arouri, a top official with the Palestinian militant group Hamas and three others, officials with Hamas and the Lebanese group Hezbollah said. Lebanon’s state-run National News Agency said the blast killed four people and was carried out by an Israeli drone. Israeli officials declined to comment.