ABDI SHEIKH ISLAMIST fighters from al Shabaab stormed a military base in a part of central Somalia they were forced from last year, killing at least seven soldiers, including the base commander, an officer said. Assailants from the al Qaeda affiliate rammed the base in the village of Hawadley with a suicide car bomb and then opened fire, Captain Aden Nur, a military officer in a nearby town, told Reuters. "We repelled al Shabaab. We lost seven soldiers, including our commander," Nur told Reuters. Al Shabaab claimed responsibility for the attack in a statement, saying it had killed "many apostate…