'Police activity' closes I-94 EB at Brookfield Road

All lanes of I-94 EB were closed at Brookfield Road as of about 7:30 p.m. Sunday, Aug. 21. 

WisDOT officials said this was due to "police activity."

Backups could be seen on WisDOT traffic cameras, but the traffic congestion seemed to clear quickly and things appeared to be moving pretty smoothly by about 8 p.m. 

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FOX6 has reached out to law enforcement for more details.