Gholamrez Reza Shahini

The United States said on Tuesday it was "troubled" by Iran's reported 18-year sentence of an Iranian American accused of spying, a week after two other dual citizens were sentenced amid tense bilateral relations.

The United States said on Tuesday it was "troubled" by Iran's reported 18-year sentence of an Iranian American accused of spying, a week after two other dual citizens were sentenced amid tense bilateral relations.