Police said the suspects fled in the vehicle after robbing someone in the 4000-block of South Langley Avenue in the city's Bronzeville neighborhood when the crash occurred around 8 a.m. near West 43rd and South LaSalle streets in the city's Fuller Park neighborhood.
After a short foot chase, all four suspects were apprehended. CPD said a weapon was recovered.
The bus driver and three passengers were hurt. Two women, both 58, were transported in stable condition to Mercy Hospital and Medical Center. A 59-year-old woman and a 62-year-old woman were transported in stable condition to St. Bernard Hospital.
Charges are pending against the four suspects.
The CTA said 43rd Street buses were temporarily rerouted during the investigation.
43 43rd buses temp. rerouted WB: 43rd, State, 39th, and Wentworth; EB: LaSalle, 39th, State, and 43rd— cta (@cta) December 21, 2016