Vladislav Miftakhov, a Russian citizen, was arrested Friday in Altoona, Pa., CNN reported.
Altoona police said they were investigating a reported marijuana-growing operation allegedly involving Miftakhov when they discovered a homemade bomb and bomb-making materials in a suitcase.
Miftakhov, a student at Penn State Altoona, was arrested and charged with possessing a weapon of mass destruction, risking a catastrophe and drug-related offenses.
A Pennsylvania State Police bomb squad "safely deconstructed" the explosive device, officials said.
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