A suicide bomber has killed seven people in Somalia's capital, Mogadishu, as Islamist insurgents continue battling pro-government forces.
Government officials say the suicide bomber drove his car to the gate of a military base Sunday and detonated the blast. The explosion killed six security officers and a civilian.
Mogadishu's deputy mayor, Abdifatah Shawey, says the bomber may have been a white man.
The government has said hundreds of foreign fighters are in the capital, assisting Islamists trying to topple the government.
More than 150 people have died in Mogadishu since May 7th, when the insurgents began a new round of attacks. More than 50 have died since Friday, when the government began a counter-offensive.
The United Nations says the fighting has displaced 57,000 people this month, including 8,000 who fled on Friday alone.
There was no immediate claim of responsibility for Sunday's explosion. The militant groups al-Shabab and Hizbul Islam have been leading the Islamist offensive.
The insurgents control most of southern Somalia after two-and-a-half years of fighting, while the government controls only small pockets of the capital.
The African Union has called for United Nations sanctions against neighboring Eritrea, accusing it of arming and financing the insurgents.
Eritrea's government rejected the charges and said it is the victim of an international conspiracy.
Some information for this report was provided by AFP, AP and Reuters.