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A burnt-out police pick-up truck stands in the street after Afghan security forces retook control of Kunduz city from the Taliban militants in northeastern Kunduz province, on October 1, 2015.  Afghan forces retook control of the strategic northern city of Kunduz on October 1 after a three-day Taliban occupation that dealt a stinging blow to the country's NATO-trained military.    AFP PHOTO        (Photo credit should read STR/AFP/Getty Images)
A burnt-out police pick-up truck stands in the street after Afghan security forces retook control of Kunduz city from the Taliban militants in northeastern Kunduz province, on October 1, 2015.  Afghan forces retook control of the strategic northern city of Kunduz on October 1 after a three-day Taliban occupation that dealt a stinging blow to the country's NATO-trained military.    AFP PHOTO        (Photo credit should read STR/AFP/Getty Images)

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    Afghan forces on offensive against Taliban

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Afghan forces on offensive against Taliban

Afghan security forces have launched their latest offensive in the Sangin district. CNN's Alexandra Field has more.

Afghan forces on offensive against Taliban

Afghan security forces have launched their latest offensive in the Sangin district. CNN's Alexandra Field has more.