Iran launched missiles at Israel early Thursday as aerial attacks in the Middle East commenced for a sixth day after an American submarine sank an Iranian warship and Iran threatened the destruction of military and economic infrastructure across the region. Israel announced the incoming attack shortly after its military said it had begun new strikes in Lebanon targeting the Iranian-backed Hezbollah militant group in Beirut's southern suburbs. The fighting continued after the US and Israel intensified their bombardment on Wednesday of Iran's security forces and other symbols of power. The tempo of the strikes on Iran was so intense that state television announced the mourning ceremony for Iranian Supreme Leader Ayatollah Ali Khamenei, who was killed at the start of the conflict, would be postponed. Millions attended the funeral of his predecessor, Ayatollah Ruhollah Khomeini, in 1989. The US and Israel launched the war Saturday, targeting Iran's leadership, missile arsenal and nucle