Big blast near Mogadishu airport in Somali

"We heard a blast ... and then soldiers opened fire. I see only thick smoke rising into the sky. I do not know what caused the blast. The whole area has been immediately besieged by security forces," one resident, Halima Osman, told Reuters.  A big blast was heard in an area near the airport in the Somali capital Mogadishu on Sunday, hours after a series of explosions at law courts in the capital and gunmen stormed the building, residents said. "We heard a blast ... and then soldiers opened fire. I see only thick smoke rising into the sky. I do not know what caused the blast. The whole area has been immediately besieged by security forces," one resident, Halima Osman, told Reuters.