According to a Taliban commander, the air attacks took place near the city of Boghran in Helmand province, a Press TV correspondent reported on Monday.
"The US forces opened fire on people on the ground. Right now, people are bringing out the victims' bodies from the ruins of buildings in the area," Mullah Muhammad Hassan was quoted as saying.
Thus far, the US and Afghan officials have declined to comment.
Afghan officials have repeatedly demanded a halt to the attacks. Civilian casualties caused by the US-led foreign forces have been a major source of tension between Afghan President Hamid Karzai and NATO.
The attacks have killed large numbers of civilians since the 2001 US-led invasion of Afghanistan and the subsequent occupation of the country.
Hundreds of civilians have lost their lives in NATO airstrikes and ground operations in different parts of the war-ravaged country over the past months, but the air raids have proved particularly deadly for the civilian population.
The loss of civilian lives at the hand of foreign forces has dramatically increased anti-American sentiments in Afghanistan.
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