Former Russian president Dmitry Medvedev said Tuesday that he expects Europeans will soon face a mammoth rise in natural gas prices after Germany announced a freeze on the Nord Stream 2 pipeline over Moscow’s provocative moves in eastern Ukraine. Medvedev, who served a term as Russia’s president and is now deputy chairman of the Security Council, penned what could be seen as a semi-sarcastic tweet after German Chancellor Olaf Scholz ordered a halt to the certification of the Nord Stream 2 gas pipeline. “Welcome to the new world, in which Europeans will soon pay 2,000 euros per thousand cubic meters of gas!” Medvedev wrote in reaction to Scholz’s announcement of the certification freeze. Spot natural gas prices listed on the Dutch TTF index were trading at 83.6 euros ($94.9) per megawatt hour on Feb. 23, which works out to around 878 euros ($996.6) per thousand cubic meters. They’d have to more than double …