At least 25 were killed and 35 injured after a suspected suicide bomber blew himself up in front of an educational centre in Dasht-e-Barchi in the west of the Afghan capital Kabul on Wednesday
The blast occurred at a time when classes were being conducted, reported Tolo News.
The security forces have sealed off the place and the injured have been shifted to the city hospital.
The Taliban has not yet taken responsibility for the blast.
Further details are awaited.
More than 100 people were killed and 133 injured as hundreds of Taliban militants launched an attack in Afghanistan's city of Ghazni since August 10. The clashes are still going on.
Afghanistan has been in a political turmoil state for years. Taliban insurgency in the state has caused the country to become unstable.
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