Russia's energy giant Gazprom said Ukraine had failed to pay at least part of its gas debts by this morning's deadline and must now pay up front for its energy supplies.
Gazprom said Ukraine has not yet paid for June supplies. The two countries failed to reach a deal on gas prices.
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During the US presidential inauguration in a secret and secure location someone will be standing by in case the 'unthinkable happens'.
Ahead of the Donald Trump's inauguration, a team of understudies have been going through their paces to ensure the day runs smoothly.
The incoming White House press secretary has said Donald Trump's speech is going to be "less of an agenda."