One suspect is dead and 22 people were hurt early Sunday after gunfire rang out at an arts festival in Trenton, New Jersey, authorities said. According to The Associated Press, Mercer County Prosecutor Angelo Onofri said two suspects began firing their weapons at the Art All Night festival about 3 a.m. EDT Sunday. Authorities said four of the victims were injured critically, and 16 of the victims suffered gunshot wounds, the AP reported. >> Read more trending news Onofri said one suspect, identified only as a 33-year-old man, has died. Police have apprehended the second suspect, WNBC reported. UPDATE: June 17, 2018, 2:59 p.m.: New Jersey Gov. Phil Murphy spoke at the Galilee Baptist Church in Trenton. “Art All Night is a time when we call come together. We cannot let gun violence tear us apart,” he said. “These are not inappropriate times to talk about gun policy. These are the most important times to talk about gun policy.” UPDATE: June 17, 2018, 2:40 p.m.: The Trentonian reported that “law enforcement sources” believed a fight that sparked the shooting was the result of an ongoing conflict between two rival groups. A social media post 15 hours before the shooting suggested that there would be gunfire at the event. A Facebook post by Danielle Grady pleaded for people to “Please, please, do not got to Art All Night! They will be shooting it up!” The post has since been taken down, but the Trentonian ran a screen shot of the Facebook post. UPDATE: June 17, 2018, 11:00 a.m. EDT:Officials said 22 people were injured during the incident, 17 by gunfire. Of the four people injured critically, one was a 13-year-old boy who was in “extreme critical condition,” police said. UPDATE: June 17, 2018, 9:25 a.m. EDT: What Mercer County Prosecutor Angelo Onofri said the festival does not appear to have been the target of the shooting, NJ.com reported. 'All indications are that this was a dispute between individuals that occurred at Art All Night,' Onofri said. UPDATE: June 17, 2018, 9:08 a.m. EDT: At a news conference Sunday morning, Trenton Mayor Eric Jackson called the shooting “truly a tragedy” for the city. “All shootings, whether large or small, are a crisis. It’s a fact that our cities, as well as our suburbs, throughout America are experiencing an increase in public shootings and public unrest,” Jackson said. “This isn’t some random act of violence; this is a public health issue. We are working cooperatively and collaboratively to end this violence in the city of Trenton.” UPDATE: June 17, 2018, 8:53 a.m. EDT: Art festival officials announced on Facebook “with great regret” that the remainder of the festival had been canceled. “We’re still processing much of this and we don’t have many answers at this time,” officials wrote in the Facebook post. Read more here.