'Critical incident' reported at Molson Coors facility in Milwaukee

The Milwaukee Journal Sentinel, citing unnamed sources, said multiple people had been killed. That report could not be immediately confirmed.

A message posted by the Milwaukee Police Department on Twitter said only that police were "investigating a critical incident" and urged the public to "stay clear of the area" near the city center.

No further official information was immediately made available.

A Molson Coors security official said: "We have no information at this time."