Sunday September 7, 2008  2:16 pm

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By NOOR KHAN

Associated Press Writer

KANDAHAR, Afghanistan (AP) - Two suicide attackers detonated bombs inside the police headquarters in Afghanistan's second-largest city Sunday, killing six policemen, officials said.

The bombers attacked Gen. Abdul Raziq, a border police commander, two police officers at the scene in Kandahar said.

One high-ranking officer said six police were killed and 13 others wounded, including Raziq. The officer asked not to be identified because he wasn't authorized to speak to the media.

Canadian troops and Afghan soldiers surrounded the police headquarters shortly after the explosions.

Kandahar is the Taliban's former stronghold. Militants unleashed a massive attack on the city's prison in June, killing around nine police and setting free almost 900 prisoners.