2 wearing Afghan security uniforms kill 2 coalition soldiers

Two coalition service members died when two people wearing Afghan National Security Forces' uniforms shot them on Wednesday, the NATO-led International Security Assistance Forces said.

ISAF and Afghan authorities are investigating the incident, which occurred in eastern Afghanistan.

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Such insider attacks by Afghan troops or infiltrators on U.S. and allied troops -- also called "green on blue" attacks -- have killed dozens of coalition troops.

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