Policemen stand guard near a military vehicle in Kunduz city, Afghanistan, Oct. 9, 2015. Fierce clashes erupted between security forces and Taliban insurgents Friday night on the southern outskirts of Kunduz city, capital of Afghanistan's northern province of Kunduz, police said. Photo: Xinhua

A policeman stands guard on a military vehicle in Kunduz city, Afghanistan, Oct. 9, 2015. Fierce clashes erupted between security forces and Taliban insurgents Friday night on the southern outskirts of Kunduz city, capital of Afghanistan's northern province of Kunduz, police said.  Photo: Xinhua  

A policeman stands guard in the street of Kunduz city, Afghanistan, Oct. 9, 2015. Fierce clashes erupted between security forces and Taliban insurgents Friday night on the southern outskirts of Kunduz city, capital of Afghanistan's northern province of Kunduz, police said. Photo: Xinhua 

A policeman checks the destroyed room of the local provincial governor office in Kunduz city, Afghanistan, Oct. 9, 2015. Fierce clashes erupted between security forces and Taliban insurgents Friday night on the southern outskirts of Kunduz city, capital of Afghanistan's northern province of Kunduz, police said. Photo: Xinhua 

Policemen are seen at a destroyed room of a government building after Taliban militants burnt it down in Kunduz city, Afghanistan, Oct. 9, 2015. Fierce clashes erupted between the security forces and Taliban insurgents Friday night on the southern outskirts of Kunduz city, capital of Afghanistan's northern province of Kunduz, police said. Photo: Xinhua 

Policemen walk inside the room of a government building after Taliban militants burnt it down in Kunduz city, Afghanistan, Oct. 9, 2015. Fierce clashes erupted between the security forces and Taliban insurgents Friday night on the southern outskirts of Kunduz city, capital of Afghanistan's northern province of Kunduz, police said. Photo: Xinhua

A policeman is seen at a destroyed room of a government building after Taliban militants burnt it down in Kunduz city, Afghanistan, Oct. 9, 2015. Fierce clashes erupted between the security forces and Taliban insurgents Friday night on the southern outskirts of Kunduz city, capital of Afghanistan's northern province of Kunduz, police said. Photo: Xinhua 

A policeman walks during a military operation in Kunduz city, Afghanistan, Oct. 9, 2015. Fierce clashes erupted between the security forces and Taliban insurgents Friday night on the southern outskirts of Kunduz city, capital of Afghanistan's northern province of Kunduz, police said. Photo: Xinhua 

A policeman stands guard during a military operation in Kunduz city, Afghanistan, Oct. 9, 2015. Fierce clashes erupted between the security forces and Taliban insurgents Friday night on the southern outskirts of Kunduz city, capital of Afghanistan's northern province of Kunduz, police said. Photo: Xinhua