US soldiers kill Afghan civilian

Several others were injured when the US soldiers opened fire. The US military said the shooting had been accidental.

At least three people died in the suicide bombing, officials say. Another civilian died in a suicide bombing later on Saturday in Mazar-e-Sharif.

Saturday's attacks bring to four the number of suicide bombings in Afghanistan in the past two days.

Suicide attacks have become a regular feature of the Taleban's campaign against the Western-backed government of President Hamid Karzai in recent years.

'Accidental discharge'

The BBC's Charles Haviland in Kabul says there is considerable confusion surrounding the shooting incident at the scene of the early morning bombing in the city.

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