Authorities are searching for three people suspected in robberies of passengers on a CTA Red Line train on the North Side.
The robberies began about 10:50 p.m. Tuesday on a southbound Red Line train in the 1100 block of West Bryn Mawr Avenue in Edgewater, Chicago police said.
The next robberies happened shortly afterward in the 3900 block of North Sheridan Road in Lakeview and in the 1200 block of North Clark Street in Old Town, police said…