BRIEF-Delek US Holdings says "Delek US refining system was operational through hurricane Harvey and continues to be unaffected by storm"
September 06, 2017 at 06:32 AM EDT
* Delek US Holdings Inc says "Delek US refining system was operational through hurricane Harvey and continues to be unaffected by storm" Source text: [http://bit.ly/2xa9CS2] Further company coverage: