Behind these doors in the Ukrainian capital, talks are being held with Russia to resolve a long running dispute on gas.<br /> <br />The two countries disagree over the price and Moscow also wants Kiev to start paying off its gas debts.<br /> <br />These talks are further complicated by political tensions between the two countries.<br /> <br />The flag at the Kiev government building is flying at half staff after rebels in the east of the country shot down a military plane, killing 49 personnel on board.<br /> <br />The Ukrainian government accuses Moscow of arming the pro-Russian separatists.<br /> <br />These latest round of talks ended in failure despite the European Union's energy commission attempt at a compromise.<br /> <br />(SOUNDBITE) (English) EUROPEAN ENERGY COMMISSIONER, GUENTER OETTINGER, SAYING:<br /> <br />"And for the moment our Russian partners didn't accept this package, my proposal. And they insisted to get $1.9 billion immediately which means tomorrow, and they insisted have an overall price of 385 USD (per
