12 dead in attack on U.S.-Afghan base

• NEW: Eight others suffered injuries
• A suicide bomber attacks the base on foot, then a truck explosion follows
• No international coalition service members are killed
• The Taliban claim responsibility

Kabul, Afghanistan (CNN) -- Two suicide bombers struck a joint U.S.-Afghan military base in central Afghanistan early Saturday morning, killing six civilians, authorities said.

One bomber attacked the base on foot, then another one detonated a truck, said Shahidullah Shahid, a spokesman for the provincial governor. In addition to the fatalities, eight others suffered injuries, he said.

No international coalition service members died in the attack in Sayedabad district, according to Maj. Adam Wojack, a spokesman for the International Security Assistance Force.

The Taliban claimed responsibility for the attack.

Journalist Abdul Qadir Sediqi contributed to this report