(CNN) Law officers chased down a Greyhound bus and arrested a passenger near the Wisconsin-Illinois border Friday night after reports surfaced of a gunman on board, authorities said. Fifty people were on the bus, Greyhound said in a statement. The suspect -- described by Illinois State Police as "disorderly and possibly armed" -- was arrested and detained after the bus came to a stop south of the Wisconsin state line near Wadsworth, in Lake County, Illinois, authorities said. Dozens of patrol cars followed the bus Friday night as other officers shut down traffic on Interstate 94. Authorities safely evacuated all the passengers; no injuries were reported, officials said.

Source: CNN January 13, 2018 10:12 UTC