Update: NBC News now reporting that several people have been killed in today's shooting. NBC News: Preliminary reports indicate that several people have been killed following a shooting at a church in Sutherland Springs, TX. — Tom Winter (@Tom_Winter) https://twitter.com/Tom_Winter/status/927250140976558082?ref_src=twsrc%5Etfw!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+"://platform.twitter.com/widgets.js";fjs.parentNode.insertBefore(js,fjs);}}(document,"script","twitter-wjs"); The FBI is also reportedly responding to the incident. Police haven't said how many people have been shot, but the number could be more than 20. The shooter reportedly fired more than 20 rounds from a semiautomatic weapon. * * * In an incident that authorities are describing as a "mass casualty situation," between 12 and 15 people have reportedly been shot at First Baptist Church in Sutherland Springs, Texas, a small community south east of San Antonio. The people were presumably attending a Sunday church service when a gunman opened fire. Few details are available. The gunman is still "active" according to the latest police reports. Here's a live feed from the scene courtesy of local ABC affiliate KSAT 12: Unconfirmed reports on social media claim that more than a dozen people have been injured during the shooting, though it is not clear yet how serious their injuries are. Kens5 Eye Witness News claims that a two-year-old is among the shooting victims. Neighbors are reporting that a gunman entered the church and opened fire before taking off in a vehicle. PSA: Active shooter with 15 ppl down at the baptist church in Sutherland Springs down my road, be careful everybody???? — MESSENGER (@SydneyMadisonM) https://twitter.com/SydneyMadisonM/status/927233994902687745?ref_src=twsrc%5Etfw!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+"://platform.twitter.com/widgets.js";fjs.parentNode.insertBefore(js,fjs);}}(document,"script","twitter-wjs"); Police say the suspect is dead, and that children were reportedly among the victims. https://twitter.com/hashtag/BREAKING?src=hash&ref_src=twsrc%5Etfw!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+"://platform.twitter.com/widgets.js";fjs.parentNode.insertBefore(js,fjs);}}(document,"script","twitter-wjs"); Confirmed shooting at First Baptist Church of Sutherland Springs, police say multiple victims pic.twitter.com/1ljzxpqk4f — Max Massey (@MaxMasseyTV) https://twitter.com/MaxMasseyTV/status/927240134134812672?ref_src=twsrc%5Etfw!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+"://platform.twitter.com/widgets.js";fjs.parentNode.insertBefore(js,fjs);}}(document,"script","twitter-wjs"); Multiple agencies were responding and medical helicopters were dispatched. Check back for more details.