A Hollidaysburg man was killed yesterday morning in a single vehicle crash, after he reportedly suffered a medical episode while driving. The deceased has been identified as 75-year-old George Angus. The accident occured along the 200 block of River Road in Blair Township. Blair County Coroner Ray Benton pronounced Angus dead at the scene. Authorities determined that Angus had suffered a medical episode before crashing his vehicle into a tree. An investigation is underway.