Fiona Hill, a former senior National Security Council official and expert on European and Russian affairs, has revealed new insights into President Donald Trump’s previous interactions with Russian President Vladimir Putin — and how she believes Putin actually mocked Trump during their exchanges.

Trump's post follows a press briefing he held earlier this week, during which a journalist questioned him about his ability to pressure Russia into accepting a ceasefire.

Russia has sent the additional information to the US President through a special envoy - ahead of a crucial phone call in which Donald Trump and Vladimir Putin will discuss a proposed ceasefire