President Vladimir Putin has hailed the Crimea region joining Russia as he visited the area for the first time since it was annexed from Ukraine in March.
Putin delivered a speech in the city of Sevastopol and watched a parade of Russian navy ships and a flyby of Russian aircraft which marked Victory Day - the World War Two defeat of Nazi Germany.
Ukraine has condemned Putin's visit as trampling on international law and deliberately escalating the crisis.
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Donald Trump's press secretary will hold his first full briefing today after a weekend in which the administration clashed with the media.
All weekend it felt as though the new administration had a self-destruct button and was desperately searching for it.
Areas of dense freezing fog across the south-east could cause flight delays until at least 10.30am, according to forecasts.