CHICAGO (CBS) — Gunfire in the South Loop led to a police chase and crash on Tuesday morning.

Police heard gunfire near Michigan and Ida B. Wells Drive around 11:20 a.m., and began to pursue suspects who drove away from the scene.  The chase ended with the suspects’ vehicle crashing into three other vehicles on the Roosevelt Road bridge over the Dan Ryan Expressway.

Police said four people were taken into custody, and a weapon was recovered. Charges were pending Tuesday afternoon.

No police officers were injured. There was no immediate detail surrounding the circumstances behind the gunshots.