The chief executive of Russian gas exporter Gazprom accused Kiev of adopting an "unconstructive" position in gas talks and of using blackmail to try to get an "ultra-low" price.
Speaking to Russia's Prime Minister Dmitry Medvedev in a meeting open to reporters, Gazprom's CEO Alexei Miller said the debt Gazprom was asking for was "less than that which was required for the time period."
More top news
Fine start to the week for most but turning wet and windy from Wednesday.
Thousands of people have lined the banks of the Mersey to see Cunard's three flagship ocean liners sail down the river.
Claims that surgeons used an old saw found in a cupboard to amputate a patient's leg are being investigated.