Seven people were wounded in a shooting incident Sunday at a mall in Milwaukee, Wisconsin State of the United States, media reports said.

Local police were looking for the suspect after several people were shot on Sunday morning in the Milwaukee area, witnesses and police said.

Television footage showed multiple ambulances were at the scene, near Brookfield Square in Brookfield, about 16 kilometers west of Milwaukee.

The nearby mall and some other buildings are in lockdown. The Federal Bureau of Investigation (FBI) and the SWAT team members have already been involved in dealing with the incident.

Seven injured had been transferred into a local hospital for medical treatment, four of them appear to have non-critical injuries, while the other three's conditions are still unknown.

According to local reports, just down the road nearby the incident is the Sheraton Hotel where seven people were killed and four more wounded at a shooting incident in 2005.