To prevent oil prices from rising' - the Russian lawmaker doubts Trump's cease-fire claim. "We all know that Trump often says things to prevent oil prices from rising," Igor Annanskych, first deputy chairman of the Energy Committee, told Russia's Ostrozhno Novosti network.

To prevent oil prices from rising' - the Russian lawmaker doubts Trump's cease-fire claim. "We all know that Trump often says things to prevent oil prices from rising," Igor Annanskych, first deputy chairman of the Energy Committee, told Russia's Ostrozhno Novosti network.