Currently exist "no arrangements" for US President Donald Trump to confer with Russia's Putin "in the immediate future", a White House official has declared.
Recently the US president said he and the Kremlin leader would conduct negotiations in Hungary's capital soon to discuss the ongoing hostilities.
A initial discussion between US Secretary of State Secretary Rubio and his Russian counterpart Foreign Minister Lavrov was planned for recently - but the White House said the two had had a "productive" conversation and that a face-to-face session was no longer "necessary".
The White House did not share further information on the reason the negotiations had been put on hold.
The US president had raised the possibility of a Budapest summit during a call with the Russian leader, a day before hosting Ukraine's Volodymyr Zelensky in the White House.
Some reports indicated his meeting with Zelensky had been a "heated exchange", with insiders claiming the president had pressured him to relinquish extensive regions of Ukraine's east as part of a deal with Russia.
However, on this week the American president embraced a ceasefire proposal backed by Ukraine and European leaders to halt the conflict on the existing battle lines.
"Let it be cut the way it is," he said.
Russia has frequently resisted against pausing the current line of contact.
Moscow was solely focused on "long-term, sustainable peace", Russia's foreign minister commented on this week, implying that pausing conflict would merely represent a brief pause.
The "root causes" of the war required resolution, Lavrov said, using Russian diplomatic language for a set of extensive requirements that encompass the acknowledgment of total Russian authority over the eastern region as well as the demilitarisation of the country – a unacceptable proposition for Kyiv and its European partners.
Zelensky stated conversations concerning the battle positions were the "beginning of diplomacy" but that Russia was "employing all tactics" to avoid diplomacy.
He additionally stated the sole subject that could make Moscow "pay attention" was that of the delivery of extended-range arms to the Ukrainian military.
Putin's spontaneous discussion with the US leader last Thursday occurred before reports that the US was considering delivering distance-capable weapons to Ukrainian forces that could possibly hit Russian territory.
The Ukrainian leader stated it was the missile discussion that had pressured the Kremlin to enter into dialogue. The discussion regarding the missiles had proven to be a "significant input" in diplomacy", he commented.
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