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The US has stepped up a campaign of alleged drone strikes in Pakistan, despite the Pakistani military refusing calls for an operation in the North Waziristan region.

The US defence department says Pakistan is not acting swiftly enough against armed groups in the region, and officials say it is hurting US efforts to reverse the Taliban's momentum in the Afghan War.

Al Jazeera's Zeina Khodr reports from the Pakistani capital, Islamabad.

Source: Al Jazeera