Local sources said more than 30 people were killed and over 50 were wounded.
Condemning the attack, he said efforts are underway to hold the perpetrators accountable.
Eyewitnesses said over 30 people were killed and wounded.
The district security chief, Hafiz Omar, said the blast occurred at 3:30 pm after explosives placed in the Mawlawi Sekandar mosque detonated while many people were there to worship. The mosque is also used as a religious seminary.
The head of the provincial department of information and culture said that there were casualties but did not provide details.
No one has yet claimed responsibility.
Also on Friday a blast occurred near Dunya University in PD7 of Kabul.
The commander of PD7 in Kabul said the explosion was caused by a landmine, and so far there has been one reported injury.
On Thursday, Si-Dukan mosque in Mazar-e-Sharif, capital of Balkh province, left dozens of people killed and wounded. The attack in Balkh was claimed by Daesh.