The investigation began sometime after 5 a.m. at the station, located at 945 W. Belmont Ave., according to alerts and website information from CTA.

Both victims were taken to the hospital in good condition, Chicago police said.

A man was found dead Tuesday morning on a CTA Brown Line train at the Belmont station on Chicago’s North Side, briefly halting Brown and Purple Line service during the rush-hour commute. Police ...

CTA said the train operator called for help, but not before one of the women pulled out a knife and stabbed the other two ...