One person was killed and seven were wounded, including a suspect, when a gunman opened fire at the Burnette Chapel Church of Christ in Antioch, Tenn., on Sunday morning, according to police. Police say they started receiving calls about the shooting around 11:15 a.m. Nashville Police Public Affairs Manager Don Aaron says six of the injured, three males and three females, are being treated at Vanderbilt University Medical Center. That includes the suspect, whose identity has not been released. Two other victims were taken to Skyline Medical Center.The Nashville Fire Department later tweeted that all but one of the victims were over 60 years old.Nashville Mayor Megan Barry released a statement Sunday afternoon expressing her condolences to the victims and their families.The Burnette Chapel Church of Christ, which has a weekly service at 10 a.m., is located about 10 miles southeast of downtown Nashville.The area around the church is shut down, while police continue their investigation.This is a developing story. Some things that get reported by the media will later turn out to be wrong. We will focus on reports from police officials and other authorities, credible news outlets and reporters who are at the scene. We will update as the situation develops. Copyright 2017 NPR. To see more, visit http://www.npr.org/.