MOGADISHU (Reuters) – Six people were killed on Friday by a blast at a seaside restaurant in Somalia’s capital Mogadishu, an ambulance service official told Reuters. “So far we have carried six dead civilians and seven others injured,” Abdikadir Abdirahman, director of Aamin Ambulance Service said. It was not clear who carried out the bombing but Somalia’s Islamist group, al Shabaab, frequently carries out bombings in Mogadishu and elsewhere as part of its war against the Horn of Africa country’s central government. The group has been fighting for years to topple the central government and est…