A tourist duck boat turned upside down in a lake near Branson, Missouri, which killed 17 people including children as dreadful thunderstorms struck the area Thursday night .Severe evening thunderstorms, including winds in excess of 60 mph, struck the area at the time. 7 other people were injured when the boat jumped into Table Rock Lake.Missouri Gov. Mike Parson mourns for the families and expresses his prayers for the families. Gov. Mike also terms this incident as a tragedy.