The officials further added at least three Arab militant fighters were also among those killed during the operations.
Gen. Nezamuddin Khanjar, head of the operations for 207 Zafar national army commandment said at least 28 militants have been killed and 20 others have been injured during the operations so far.
Gen. further added that six more militants were also arrested during the operations.
He said at least two Afghan national army soldiers were killed and two others were injured following clashes with the armed militants.
The operation “Naveed 5″ has been conducted in Keshk-e-Kohna and Keshk-e-Rabat districts of western Herat province and the operation is still continuing during the past one week.
Herat is among the peaceful provinces in western Afghanistan however militants have increased their activities in its remote districts during the recent years.
In the meantime Gen. Nezamuddin Khanjar said Afghan security forces have seized 21 weapons, 3 tons of explosives, 7 motorcycles and one vehicle during the operations and several villages have been cleared from the militants.
Anti-government armed militant groups yet to comment regarding the report.