BEIRUT, Lebanon - Israeli warplanes destroyed the offices of Hezbollah's south Lebanon commander in the southern port city of Tyre on Wednesday, security officials and witnesses said. The building was apparently empty, but 12 people nearby were injured. Two explosions in the center of the city raised a giant pall of smoke over Tyre, and electricity was knocked out in some areas. The target was a seven-story building housing the office of Sheik Nabil Kaouk, the Hezbollah commander in south Lebanon. The building was heavily damaged, with the top floors pancaked on top of each other. But witnesses and doctors...