abc's marci gonzales is watching the latest development and she joins us live from new york. marci? >> reporter: rick, protest and organizers designated this as a day of civil disobedience. extra officers are on patrol concerned about a potential repeat of last nights violence. today pro protests planned after a chaotic night. a black teenager shot by police after they, say he opened fire, on officers. the violence and looting, following a week of peaceful protests and marches. >> my family. >> reporter: commemorating first anniversary of the shooting death of 18 year-old michael brown by police officer darren wilson. >> there is a a small group of people out there that are intent on making sure that we don't have peace that prevails. >> reporter: police say the 18 year-old shot last night tyler harris was not part of the protest but was in this crowd when gunshots rang out at 11:15 between two rival groups. investigators claim harris ran and started shooting at a police suv were four detectives inside. authorities say as the detectives got out of the vehicle, harris continued to sh