Mogadishu - At least five killed and 15 others were injured in a suicide car bomb in the south of the Somali capital Mogadishu on Tuesday, a government official said. Al Qaeda-linked al-Shabaab said it was a car bomb targeting a building housing government officials, Reuters reported. "We heard a huge explosion in Wadajir district, there are some casualties, but the number is unknown," Abifutah Omar Halane, the spokesman for Mogadishu's mayor, said. Al-Shabaab said they were behind the blast.