Watch a live broadcast from Washington DC where Ned Price, spokesman to the US Department of State, is briefing the press briefing on Wednesday, 2 February.
The event is taking place as the row between Russia, NATO and the US continues over European security and Ukraine in particular.
Earlier on Wednesday, El Pais published the response the US and NATO made to Russia's security guarantee proposals, first drafted in December in an attempt to de-escalate tensions with the bloc over European security.
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