In Afghanistan, three Afghan civilians have been killed when American troops opened fire after their vehicle struck a roadside bomb in east of the country.<br/><br/>A spokesman for the Nangarhar governor Attaullah Khogyani said a man and his two sons were killed at their home in Ghani Khel district of the province.The US military command in Kabul said it is investigating the reports.<br/><br/>

In Afghanistan, three Afghan civilians have been killed when American troops opened fire after their vehicle struck a roadside bomb in east of the country.<br/><br/>A spokesman for the Nangarhar governor Attaullah Khogyani said a man and his two sons were killed at their home in Ghani Khel district of the province.The US military command in Kabul said it is investigating the reports.<br/><br/>