The government of Ukraine signs a major $10 billion shale gas deal with Royal Dutch Shell to reduce its dependency on Russian gas imports.
Russia demands that NATO end all military activity in Eastern Europe and never admit Ukraine as a member of the military alliance, saying that they want a legally binding guarantee to end further eastward expansion. Other demands include a Russian veto on Ukrainian membership in NATO, the removal of U.S. nuclear weapons from Europe, and the withdrawal of multinational NATO battalions from Poland and the Baltics.
The United States imposes sanctions on twelve Russian owned companies, a Russian arms exporter, and a bank. The U.S. cites multiple reasons, including Russian meddling in the 2016 elections and military engagements in Ukraine, Crimea, and Syria, among others.
Russia's Gazprom halts gas supplies to Ukraine until the Ukrainian government pays in advance for future supplies to replenish the current supplies of gas that it has used up; Ukraine says it has stopped buying from Gazprom because it can get cheaper gas from Europe. Roughly 15% of the gas used in Europe travels through Ukraine, and a previous cut-off of gas supplies in 2009 caused serious disruptions in shipments to EU countries at the height of winter.
At least thirty pro-Russian separatists have died in fighting over control of Donetsk International Airport; the Ukrainian government claims to have total control of the airport following the clashes with the separatists.
Five people are killed, including the driver, and five are injured when a tourist bus carrying Russian and Ukrainian teenagers plummets off a bridge and rolls down an embankment near Ranst outside of Antwerp, Belgium.