Update, 2:04 pm: The death toll in the suicide bomb blast inside a provincial council member's house in Jalalabad on Sunday morning rose to 13, while 14 people were reported injured in the attack, provincial governor's spokesperson Attaullah Khoghyani reportedly said.

The attack took place when tribal elders had gathered at the house of provincial council member Obaidullah Shinwari after his brother was released by Taliban. Obaidullah's brother, Saminullah Shinwari, was in the captivity of Taliban for nine months, TOLO News reported.

A spokesperson with Taliban said the organistion is not behind the attack.

Original Story:

At least 11 people were reportedly killed and more than 20 others injured in a suicide bomb blast at a provincial council member's house in Jalalabad in the Nangarhar province of Afghanistan on Sunday.

The provincial governor's spokesman, Attaullah Khoghyani, confirmed the casualties in the explosion, which took place inside the house of provincial council member Obaidullah Shinwari, TOLO News reported.

One of the injured has been identified as Shinwari's father Malek Osman. 

The suicide attack took place at about 10:20 am local time in PD3 in Jalalabad. The injured people have been shifted to city hospital.

Afghan security forces have cordoned off the area.

The incident occurred a day after foreign troops killed at least 17 Isis militants in airstrikes in the Dih Bala district of eastern Nangarhar province on Saturday, TOLO News reported.

However, no militant group has claimed responsibility for the suicide attack yet.