Afghan officials say a roadside bomb has killed at least two Afghan civilians and wounded foreign troops in the eastern part of the country.
A spokesman for the provincial governor in Nangarhar says Wednesday's explosion killed two children. Other officials say at least 30 people were wounded.
A NATO spokesman says nine alliance troops were among those hurt in the blast. Afghan officials say some of their security officers also suffered injuries.
An Afghan official told the Associated Press the NATO troops were visiting a road construction project funded by the United States.
Some information for this report was provided by AP and Reuters.