The problem of Afghan troops who have turned their weapons on allied forces -- so-called green on blue attacks -- has intensified this year . The attack occurs in eastern Afghanistan . It is unclear whether the attacker is an Afghan soldier or an infiltrator . The story of Afghan troops who have turned their weapons on allied forces has emerged .
The attack occurs in eastern Afghanistan . It is unclear whether the attacker is an Afghan soldier or an infiltrator . The story of Afghan troops who have turned their weapons on allied forces has emerged .