At least eight people were wounded Friday afternoon when an unknown gunman opened fire at a Wisconsin mall, prompting shoppers and store employees to run for cover, the Milwaukee Journal-Sentinel reported.

Witnesses described the shooter as a white man in his 20s or 30s, Wauwatosa Police Chief Barry Weber told reporters, and officers are still in the process of clearing the building.

Wauwatosa Mayor Dennis McBride told WISN in a statement that none of the injuries were considered life-threatening and that the suspect was “at large.”

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Dozens of police officers and agents from local and federal agencies arrived on scene at Mayfair Mall in the Milwaukee suburb of Wauwatosa shortly after 3 p.m., as CrimeOnline previously reported.

Weber said at a news conference the shooting took place near the northwest entrance to the Macy’s store at the mall.

Seven adults and one teenager were transported to area hospitals, according to Weber, who added that the mall was an active crime scene and would remain closed until further notice.

The adults were taken to Froedtert Hospital, and the teen was taken to Children’s Wisconsin.

An employee in the mall’s food court described the scene to Fox 6.

“Terrifying. Very scary. And I’ve never experienced anything like this,” he said, adding that he and his co-workers were unharmed..

He said he and his co-workers were able to get out unharmed.

A woman who spoke with the station said she had just started her shift on the mall’s second level when she heard about five shots.

“I’ve never experienced something like this,” she said. “We practice all the time at work for something like this happening, but for actually to be in the moment is a whole other thing.”

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[Featured image: AP Photo/Nam Y. Huh]