Afghan police and units of the national army have killed 38 Taliban militants during a series of operations in the conflict-ridden country over the past 24 hours, the interior ministry said in a statement here on Wednesday.The operations, according to the statement, have been conducted in parts of Nangarhar, Kunduz, Helmand, Samangan, Faryab and Saripul provinces during which many more militants were injured and police have seized a number of arms and ammunitions, Xinhua reported.However, the statement did not say if security forces too suffered any casulaties.Taliban militants have not yet made any comment on the government claims.