NATO forces have accidentally shot dead two boys during an operation in south Afghanistan - the latest in a series of incidents involving allegations of civilian deaths at the hands of international troops.
The two boys were shot dead when they were mistaken for insurgents during an operation in the northwest of Uruzgan on February 28, ISAF commander US General Joseph Dunford said in a statement.
"I offer my personal apology and condolences to the family of the boys who were killed. The boys were killed when Coalition forces fired at what they thought were insurgent forces," he said.
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The victims were collecting permits and escorts a day after their home town was liberated from the extremists.
Scotland Yard said the male youths will appear in custody at Westminster Magistrates' Court on Saturday.