A suicide bombing on Saturday at an education centre in Afghanistan's capital Kabul killed at least 13 people and wounded dozens, officials said.
A Taliban spokesman on Twitter denied responsibility for the attack.
A Ministry of Interior spokesman, Tariq Arian, cited security guards as identifying a bomber who detonated explosives in the street outside the Kawsar-e Danish educational centre.
Health Ministry spokesman Saeed Jami said 13 bodies had been recovered and 30 injured people transported by ambulance to hospitals. Casualties could rise, he added.
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