At least 12 commanders of Haqqani network were killed in an operation by Afghan forces in Sabari district in Khost province, the National Directorate of Security (NDS) said in a statement on Monday.
 
According to the statemen, the commanders were involved in destructive and terrorist activities in the province.
 
One member of the network was wounded and three others were arrested in the operation, the statement said.
 
A number of weapons and explosives were also seized during the operation, the statement added.
 
Haqqani Network is deemed a strong aide to the Taliban and is widely active in Afghanistan's eastern provinces of Khost, Paktia and Paktika.