Violence struck in Pakistan on Saturday, as a bomb exploded in a military compound and rebels raided a coast-guard post with rocket-propelled grenades. The compound bombing, which killed 9 and wounded 20, may have been a mistake, officials told reporters. "We are not sure if a suicide bomber hit the compound or if some militants were assembling a bomb and it accidentally went off," a local government official said. It is not clear if the coast-guard attack was coordinated with the bombing. In southwest Pakistan, men in pickup trucks and motorcycles drove into the outpost firing grenades and assault rifles, killing six. Though the culprits are unknown, much of recent violence has come from ethnic Baluch separatists and local militants allied with al Qaeda and the Taliban.