Newark Mayor Ras Baraka was arrested Friday at a federal immigration detention center where he has been protesting its opening this week and held in custody for several hours. Baraka was released shortly after 8 p.m. and, after stepping out of an SUV with flashing emergency lights, told waiting supporters: “The reality is this: I didn’t do anything wrong." Learn more about your ad choices. Visit podcastchoices.com/adchoices