NAIROBI, Kenya (AP) — Somalia’s Islamic extremists attacked a hotel at dawn Sunday in the capital, Mogadishu, killing at least nine people and injuring 10, a police official said. The attack started at daybreak when a suicide bomber detonated a vehicle laden with explosives at the gate of the Sahafi Hotel and then gunmen on foot ran into the hotel and shot at people, Capt. Mohamed Hussein said. “They have killed the owner of the hotel, a former military general, and other officials during the attack,” Hussein said by phone from the scene as gunfire could be heard in the hotel. “There’s a hostage situation inside the hotel,” Hussein said. A second explosion came from a car bomb outside the hotel, said witnesses. Al-Shabab, the Islamic extremist rebels waging an insurgency against Somalia’s weak U.N.- backed government, claimed responsibility for the attack through the group’s radio Andulus. The fighters infiltrated the hotel and are still in control of the building, Sheikh Abdiaziz Abu-Musab, al-Shabab’s military spokesman, told the radio station. Somali troops and African Union forces were at the scene of the attack, according to a Twitter post by the African Union Mission in Somalia, which has deployed troops to