Afghans carry the coffin of a kidnapped provincial council runner in Sari Pul province of northern Afghanistan on April 2, 2014. Taliban militants killed the kidnapped provincial council runner and eight civilians in the country's northern province of Sari Pul overnight, officials said on Wednesday. (Xinhua/Arui)

Afghan men hold a picture of a kidnapped provincial council runner in Sari Pul province of northern Afghanistan on April 2, 2014. Taliban militants killed the kidnapped provincial council runner and eight civilians in the country's northern province of Sari Pul overnight, officials said on Wednesday. (Xinhua/Arui)

Afghans carry the coffin of a kidnapped provincial council runner in Sari Pul province of northern Afghanistan on April 2, 2014. Taliban militants killed the kidnapped provincial council runner and eight civilians in the country's northern province of Sari Pul overnight, officials said on Wednesday. (Xinhua/Arui)

Afghan men hold a picture of a kidnapped provincial council runner in Sari Pul province of northern Afghanistan on April 2, 2014. Taliban militants killed the kidnapped provincial council runner and eight civilians in the country's northern province of Sari Pul overnight, officials said on Wednesday. (Xinhua/Arui)

A relative of a kidnapped provincial council runner cries in Sari Pul province of northern Afghanistan on April 2, 2014. Taliban militants killed the kidnapped provincial council runner and eight civilians in the country's northern province of Sari Pul overnight, officials said on Wednesday. (Xinhua/Arui)