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Tipster helped avert July 4 mass shooting in Richmond, police say

A tip from a “hero citizen” is responsible for preventing a mass shooting that was being planned for the Fourth of July celebration in Richmond, Virginia, authorities said Wednesday.

Richmond Police Chief Gerald Smith said in a press conference that the citizen called police after overhearing Julio Alvarado-Dubon, 52, and Rolman Balacarcel, 38, plotting an attack to be carried out on Monday at the city’s Dogwood Dell amphitheater.

Following an investigation, Mr. Alvarado-Dubon was arrested and charged with being a non-U.S. citizen in possession of a firearm before the Independence Day event, Chief Smith said.

On Tuesday, police arrested and charged Mr.