Sophia Bush Talks 'Heart-Wrenching' Chicago Crossover, Lindsay and Severide's 'Connection'

A major event is about to rock Chicago — and maybe bring Detective Erin Lindsay and rescuer Kelly Severide even closer together?

In a two-night crossover event airing this week, NBC’s Chicago Fire (Tuesday, 10/9c) and Chicago P.D. (Wednesday, 10/9c) teams are called to action when the city is rocked by a bombing at a hospital. READ MORE