Children in Afghanistan are again casualties of NATO fire.

In this latest incident, NATO forces shot dead two Afghan boys, ISAF admitted on Saturday.

The shooting took place on Feb. 28 in the Shahid-e Hasas District of Afghanistan's Uruzgan Province.

Agence France-Presse reports that the children were 7 and 8 years old and were tending cattle when Australian soldiers fired at them in a "'mistaken' retaliatory attack."

There have been a string of incidents in which Afghan civilians, including children, have been killed by NATO forces. Just three weeks ago, five children were among 10 civilians killed by a NATO missile attack.

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