Islamic State on Saturday claimed responsibility for a suicide bombing on a Shi’ite Muslim mosque in eastern Afghanistan that killed 39 people and wounded at least 80 others.

In a statement carried by its Amaq news agency, the group said around 150 Shi’ites and security forces members were killed or wounded in Friday’s attack in the city of Gardez in Paktia province, but gave few details on how the attack was carried out.

The Paktia police chief said that two burka-clad militants carried out the attack on the mosque, where more than 100 people had gathered to pray.

Read more: Reuters