KYIV, May 6 – Naftogaz Ukrayiny has filed a complaint with the European Commission about the anticompetitive actions of Gazprom (Russia), Naftogaz Executive Director Yuriy Vitrenko has said.

"In this complaint, we analyze in detail how thanks to Nord Stream 2, blocking virtual reverse, control over companies in the European gas market, Gazprom abuses its dominant position and limits competition," he said on Facebook.