The story

Mountainous terrain and harsh weather in remote parts of Afghanistan have proven a deadly combination for the U.S. military in its push to reduce mounting violence in the country.

On Saturday, Taliban militants attacked American and Afghan troops in the Nuristan province in eastern Afghanistan. Eight American troops and two members of the Afghan national security forces were killed, according to the Pentagon.

It was the largest number of Americans killed by hostile action in a single day since July 13, 2008, when nine troops died, according to CNN records. Read full article »

CNN's Barbara Starr, Atia Abawi and journalist Matiullah Mati contributed to this report.

All About AfghanistanBarack ObamaAl QaedaThe Taliban

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