A mass shooting has left at least two dead and more than a dozen injured at a homecoming party in Greenville, just northeast of Dallas, local officials and witnesses say. Only few details are currently available. The incident happened just after midnight on Sunday when officers were called for an active shooter at The Party Venue on Highway 380 in Greenville, a city in Hunt County. Details about what happened were not immediately known. According to initial reports, there are up to 20 gunshot victims, including multiple fatalities and serious injuries. Jason Whitely, a reporter for local ABC affiliate WFAA,...