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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The US president insisted his row with the NFL over players kneeling during the national anthem has 'nothing to do with race'.
The new rules cover Chad, Iran, Libya, North Korea, Somalia, Syria, Venezuela and Yemen and replace the current ban which was expiring.
Many central and eastern areas will start cloudy with some rain and hill fog.