At least two men who had been detained by the police were also killed in the explosion late January 26 in the southern city of Kandahar.
Provincial officials say at least 10 Afghan policemen have been killed in a suicide-bomb attack in the northeastern Afghan city of Konduz.
Officials in the eastern Afghan province of Ghazni say two people were killed in a suicide attack.
The commander of the NATO-led International Security Assistance Force (ISAF) in Afghanistan has condemned a suicide car-bomb attack that killed at least five civilians and injured more than 15 others.
Afghan officials say a suicide car bomber has killed five civilians and wounded at least 15 people in the eastern province of Kapisa.
The Afghan government has come under intense international pressure after claims of widespread torture in its prisons. Could the allegations derail the transfer of detainees from NATO to Afghan control?
Mahmud Karzai, a brother of Afghanistan's president, has told RFE/RL he has renounced his U.S. citizenship in order to launch a political career.
Cold weather has killed 17 people in camps for internally displaced people in Afghanistan so far this month.
Authorities in the eastern Afghan province of Nuristan say U.S. drone attacks have inflicted more than 30 casualties on suspected militants.
As Britain's Prince Harry ends his second combat tour of duty in Afghanistan, a comment about his skill as a helicopter gunner has led the Taliban to brand him a "coward."
Afghanistan's President Hamid Karzai has assigned a team to investigate claims by the United Nations that prisoners in government custody were being tortured and abused.
Prince Harry, the third in line to the British throne, is on his way back home after his second tour of duty in Afghanistan.