"The combined Somali National Security Forces (SNSF), Kenyan Defense Force (KDF) and US force came under mortar and small-arms fire at approximately 2:45 p.m. Mogadishu time, killing one USA service member and injuring four USA service members and one partner force member", said the statement.
The U.S. military has about 500 troops in Somalia, Martin reports.
One US service member reportedly received sufficient medical care at the scene and three others were transported out of the area to receive treatment.
One U.S. special operator was killed and another four service members were wounded on Friday during a mission in Somalia against al-Shabaab, a terrorist group affiliated with Al Qaeda, defense officials have announced.
A military official told AFP the dead American was a special operations commando, but further details were not being released pending notification of next of kin.
At least one United States special forces solider was killed and four USA service members were wounded after an enemy attack in Somalia.
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The American forces were operating alongside Somali troops.
The extent to which USA troops are assisting behind the scenes or fighting shoulder-to-shoulder with local troops has become a point of contention, not only in Somalia but also in other parts of the world where US forces are helping fight extremist groups by backing proxy forces. The injured service members were medevaced to Djibouti, where US Africa Command (AFRICOM) maintains its Camp Lemonnier base.
The attack occurred in Jubaland, where a large force comprising about 800 Somali, Kenyan and USA troops were working to clear a large area of Al-Qaeda-aligned Al-Shabaab fighters. It was unclear whether all 800 US, Kenyan and Somali troops were present when the attack took place.
The attack comes one day after al-Shabaab overwhelmed the Somali National Army's base by the city of Baidoa, the capital of the Southwestern Bay region of Somalia, on June 7. The incident is the first known death of a USA servicemen in Africa since the ambush in Niger last October, CBS News' David Martin reported. The US said no civilians were killed during the strikes.
"The U.S. provided advice, assistance and aerial surveillance during the mission", Africom said.