MOSCOW, Russia, 2016-Sep-10 — /EPR Retail News/ — O’KEY Group S.A. (LSE: OKEY), one of the largest food retailers in Russia, announces the opening of a new hypermarket in Tyumen (Siberia), the Group’s 73rd hypermarket in Russia and 159th store in the total Group portfolio. The new store is located on a busy highway, Profsoyuznaya Street, connecting…