Two suicide bombings occurred inside a mosque in Gardez City, the center of Paktia province in the east of Afghanistan, on Friday afternoon, police confirmed.
Paktia Police Chief Raz Mohammad Mandozai said the explosions left 25 people dead and 33 others wounded.
Those inside Sahib-ul-Zaman Mosque in Khwaja Hassan area in PD2 of Gardez City were doing the Friday prayers.
The explosions happened at around 2pm Kabul time when two suicide bombers opened fire on security guards and entered the mosque.
The suicide bombers used hand grenades during the attack, Paktia police chief said.
Sources told TOLOnews that more than 30 people have been killed and over 80 others were wounded in the twin blasts.
The sources said at least 600 people were inside the mosque when the bombing happened.
President Ashraf Ghani in a statement condemned suicide bombing on Khwaja Hassan Mosque in Gardez City, calling it inhuman.
The president said such attacks cannot affect unity among Afghans.
No group has claimed responsibility for the attack. In a social media post, Taliban has rejected any involvement in the attack.