Milwaukee Journal Sentinel reports.The shopping centre has reportedly been placed on lockdown with people inside given an announcement warning them to "shelter in place".Unconfirmed reports from police scanner traffic say at least three juveniles are among the victims.At least three victims were seen by WISN-TV's news helicopter being loaded into Wauwatosa Fire Department ambulances.Local bus routes have all been diverted over what is being described as "an emergency incident".According to local reports, members of the public at the mall have been ordered to remain sheltered in shops while the incident is ongoing.The Milwaukee County Medical Examiner tweeted to say it was not responding to any incidents at Mayfair Mall.
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