The man has been named and his photo posted on social media, and will be questioned about the shooting of a 26-year-old man in the streets in Wednesday. Justin Carr later died of his wounds on Thursday.
The city has been under a midnight to six am curfew since Tuesday when rioting erupted following the death of a man shot by police. Police say 43-year-old Keith Scott was shot for refusing to drop a gun. His family says he was holding a book.
There have also been peaceful street protests against what demonstrators have called controversial police shootings. (Euronews)