As skirmishes broke out between Israeli forces and Hezbollah militants along Israel's northern border on Sunday, the United Nations mission said a rocket struck its headquarters in southern Lebanon. The U.N. mission said none of its peacekeepers were hurt despite not being in shelters at the time when the rocket struck the coastal town of Naqoura. The mission did not specify where the rocket was fired, saying it was working on verification. Some Lebanese media said the rocket was fired from the positions of Palestinian Hamas militants in southern Lebanon, intending to reach Israel but falling short, though it has...