FORT WORTH, Texas (AP) — A 19-year-old man detectives describe as a known gang member has been arrested on a murder warrant in a shooting at a Texas dance studio that killed two people and wounded several others. Fort Worth police homicide Sgt. Joe Loughman tells the Fort Worth Star-Telegram (http://bit.ly/293QsNk ) Ward is known as a gang member and the shooting was believed to be gang-related.