Somalia's capital Mogadishu was struck by an explosion targeted at government buildings leading to heavy casualties.
"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 told Reuters.
At least 10 people have been killed and 20 others wounded, reports said.
al Shabaab, an al Qaida-linked terrorist organisation has claimed responsibility for the attack.
Al Shabaab said it was a car bomb attack targeted at government buildings.
"It's a suicide car bomb in Wadajir District building in which Somali officials and their staff stay. There are government and their staff who have died at the scene. We will tell you the number of dead later," Reuters quoted Abdiasis Abu Musab, al Shabaab spokesman for military operations.
At least 10 people were killed and 20 others were wounded on Tuesday (June 20) in a car bombing in Somali capital Mogadishu (WION)