A suicide bomber targeted worshippers who had gathered at a mosque in north Afghanistan for prayers to mark Eid al-Adha, killing at least 41 people.
More than 50 people were wounded in the attack, which happened as people were leaving the Eid Gah mosque in Maymana, capital of Faryab province, the BBC reports.
Senior provincial government and police officials attended the prayers, but appeared to escape serious injury.
The victims were mainly police officers and civilians. Officials said that 14 civilians and six children were among the dead.