Afghan soldiers leave the site of the attack close to the election office in Kabul, Afghanistan on March 29, 2014. A five-hour gun fight close to the Afghanistan's main election office in Kabul ended Saturday evening after Taliban gunmen were killed in the counter-attack, an official said. (Xinhua/Ahmad Massoud)

Afghan soldiers are seen on a military vehicle at the site of the attack close to the election office in Kabul, Afghanistan on March 29, 2014. A five-hour gun fight close to the Afghanistan's main election office in Kabul ended Saturday evening after Taliban gunmen were killed in the counter-attack, an official said. (Xinhua/Ahmad Massoud)

Afghan soldiers leave the site of the attack close to the election office in Kabul, Afghanistan on March 29, 2014. A five-hour gun fight close to the Afghanistan's main election office in Kabul ended Saturday evening after Taliban gunmen were killed in the counter-attack, an official said. (Xinhua/Ahmad Massoud)

Afghan soldiers leave the site of the attack close to the election office in Kabul, Afghanistan on March 29, 2014. A five-hour gun fight close to the Afghanistan's main election office in Kabul ended Saturday evening after Taliban gunmen were killed in the counter-attack, an official said. (Xinhua/Ahmad Massoud)

An Afghan soldier stands guard at the site of attack close to election office in Kabul, Afghanistan on March 29, 2014. A five-hour gun fight close to the Afghanistan's main election office in Kabul ended Saturday evening after Taliban gunmen were killed in the counter-attack, an official said. (Xinhua/Ahmad Massoud)