Two suicide attackers blew themselves up at the police headquarters in Kandahar city on Sunday, killing and wounding more than 30, while two dozen Taliban were killed in airstrikes and clashes elsewhere in the country, officials have said, according to DPA. The bombers detonated their explosives inside the police headquarters on Sunday afternoon, provincial police chief Matiullah Khan said. Kandahar city is the capital of the province of the same name. While Khan said two policemen were killed and 24 policemen and five civilians were wounded, Ahmad Wali Karzai, head of provincial council in Kandahar and younger of brother of Afghan President Hamid Karzai, gave different figures for death toll. "According to information I received, six policemen and two civilians were killed in the attack and more than 20 others were wounded," Karzai said. Earlier, a police officer at the scene of the attack told Deutsche Presse-Agentur dpa that six police officers were killed and 15 others wounded. The police source, who spoke on condition of anonymity, said the bombers targeted border police commander Abdul Razaq Khan as he was entering the provincial police headquarters. Razaq was also wounded in the attack, the source said.