The White House said on Tuesday it strongly condemned Taliban attacks in Kunduz, Afghanistan.
White House spokesman Josh Earnest said Afghan troops are starting to retake some buildings in the city and the United States is providing advisory support.
The Pentagon meanwhile expressed confidence in Afghan security forces as they battled Taliban fighters to regain control of the northern city of Kunduz.
The sudden fall of Kunduz on Monday was a major blow to the government of President Ashraf Ghani, which marked its first year in power on Tuesday, and raised questions over how ready Afghan forces were to tackle the Islamist insurgency alone.
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