BOSTON (AP) — Police say two men from Iowa who made online threats against Pokemon competitors — referring to the Boston Marathon bombings and the Columbine High School massacre — were stopped as they tried to register for the World Pokemon Championships in Boston.

Eighteen-year-old Kevin Norton, of Ames, and 27-year-old James Stumbo, of Boone, were ordered held without bail on gun charges Monday pending a Sept. 1 hearing.

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Boston police Commissioner William Evans said the men made threatening statements in a closed online Pokemon forum before driving 25 hours to Boston on Thursday for the championships. Both were experienced players invited to attend.

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The moderator of the Pokemon forum notified security at the convention center where the competition was held over the weekend.

Officers found a 12-gauge shotgun, an AR-15 rifle and several hundred rounds of ammunition in their car.

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