A 55-year-old faithful was killed in a firing incident inside the mosque located at Dubai Adda Bakhshali in Mardan, reported 24NewsHD TV channel.
Rescue 1122 in a statement said the deceased, Ajmal Khan, was hit with a bullet and died later.
After the incident, rescue1122 ambulance and the medical team reached the spot and shifted him to the hospital but he succumbed to injuries.
Reporter Manzoor Hussain