"Certainly, there are attempts to start such a 'trade war'. When there is such a risk, I think that it is necessary to remain calm and turn to the WTO," Ukrainian news website Segodnya.ua quoted De Gucht as saying.
"We will do it for Lithuania and will support you in such efforts," the commissioner told TV station Kanal 5.
"Still, it is necessary to maintain composure, because Russia is dramatizing, artificially dramatizing the situation," he added.
