A 70-year-old Chicago Transit Authority worker was attacked and thrown onto the Blue Line tracks in the West Loop Thursday morning.
CBS News Chicago has learned the man was a 27-year veteran of the CTA. The union representing CTA workers is now pushing for more security.
Calls for help came in around 7 a.m. Thursday after the CTA customer service agent was attacked at the Grand Blue line station, in the subway beneath the six-way intersection of Milwaukee and Grand avenues and Halsted Street…