Multiple persons on live streams and social media reported a mass shooting at a Madden NFL 19 tournament in Jacksonville, Florida, this morning. The Jacksonville County Sheriff’s Office confirmed that law enforcement was en route to the scene but had no further information early this afternoon. Warning: The following video contains disturbing content. In the video, two competitors are playing when someone starts screaming off camera. As the first of nine shots break out, they abandon their stations and others are heard fleeing. Then a man is heard crying out, “What did he shoot me with?” Three more shots are fired and screaming can be heard. This weekend at Jacksonville Landing downtown was the first of four qualifier events for the Madden Classic series sponsored by EA Sports. Top flight competitor Drini Gjoka was at the event and reported a terrifying scene: The Jacksonville sheriff’s office confirmed the shooting and advised everyone to stay away from the scene. The tournament was being held at GLHF Game Bar at Jacksonville Landing. Spokespersons for the sheriff’s office and EA Sports were unable to provide any details or a statement when first contacted by Polygon. WJXT-TV reported via Twitter that four were dead and another six were wounded. Others at the event told friends via social media that they were present for the shooting but safe. Polygon will update this story as more developments become known.