Hindustan TimesUkraine Stops Buying Russian Gas, Closes AirspaceNew York TimesMOSCOW — Tensions between Russia and Ukraine escalated further on Wednesday as Ukraine decided to stop buying Russian natural gas — hoping to rely on supplies from other countries — and closed its airspace to its eastern neighbor. Russia's ...Russia Halts Natural Gas Supplies to Ukraine as Payments EndBloombergUPDATE 1-Russia's Gazprom says halts gas supplies to Ukraine over paymentReutersUkraine closes its airspace to RussiaWashington PostIrish Independentall 194 news articles »