Dan Massoglia

An immigration rights activist is arrested outside the U.S. Immigration and Customs Enforcement building in the South Loop, after refusing to stop blocking the entrance to the building. A total of four protesters were arrested during the rally. (Credit: CBS)

4 Arrested During Immigration Rights Rally In South Loop

The NATO delegates haven’t arrived in Chicago for the weekend’s summit yet, but the protesters have already been busy for two days, and at least 12 protesters have been arrested in that time.

CBS Chicago–05/15/2012