>> unfortunately, even an ambulance last night in manhattan being caught in this maelstrom as protesters are yelling a lot of things, including nypd, kkk, how many kids did you kill today. listen to this. >> nypd, kkk! how many kids did you kill today? >> how many kids did you save today; right? what would new york city be like if these eight million people, we all live on top of each other, if we didn't have these police officers keeping us safe? where's the outrage about those two police officers that were gunned down. >> for mayor de blasio to call for calm and within hours some of the folks he was encouraging as protesters back on the streets defying him in addition to tarring the memory of these heroic officers. you have to wonder can he govern the city anymore when he already had a lot of people angry at him. now some of his own supporters are defying -- >> i think you're seeing a particularly horrible