Authorities responded on Saturday to a shopping mall in Pittsburgh where shoppers were run for their lives after being shot even though no one was hit, a police source told Fox News.
A local FOX subsidiary reported that two people were arrested in connection with the incident at Ross Park Mall, which was full of shoppers as the stores were sold on Memorial Day.
Authorities were also actively looking for a third person they believe was involved, WPXI-TV reported.
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Several law enforcement agencies, including the FBI and Pittsburgh SWAT officers, as well as EMS units stormed the site.
A store manager told WPXI-TV that a fight broke out outside the store when someone yelled it was a weapon. Gunshots were reportedly rang out soon afterwards. According to police, three handguns were recovered.
The incident prompted the evacuation of the mall, the news agency reported. A news broadcaster said people were seen sprinting out of the building and that the building was locked.
Some shoppers remained huddled in the shops while authorities continued to secure the area.
Gunshots could be heard outside the mall. A local reporter tweeted that the person who fired was not found. People gathered outside were asked to move farther away as police rappelled down the area around the parking lot that they said was no longer safe to be around.
According to local reports, the authorities also searched the surrounding neighborhood and stopped cars.
The Ross Township Police Department, which is investigating the mall shooting, declined to comment on the matter.
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There was a heavy police presence in the area. It was unclear whether it would remain closed to the public.
This is a developing story. Check for updates again.