NATO Secretary General Jens Stoltenberg expressed the Western military alliance's "unwavering" support for Ukraine and warned Moscow on Tuesday not to push its troop buildup along Russia's border with the neighbouring country.
Sporadic fighting was reported in eastern Ukraine on Monday and early Tuesday, and at least one Ukrainian soldier was killed in the area in the past 24 hours, according to the Ukrainian military.
Concern is mounting that the long-simmering conflict in east Ukraine could spiral back into wider fighting after reports of major Russian troop movements and an intensification of clashes with Moscow-backed separatists.
"President Biden reaffirmed his goal of building a stable and predictable relationship with Russian Federation consistent with USA interests, and proposed a summit meeting in a third country in the coming months to discuss the full range of issues facing the United States and Russian Federation", the White House said in a statement on Tuesday.
Ukraine has accused Russian Federation of amassing thousands of military personnel on its northern and eastern borders as well as on the annexed Crimean peninsula.
Kyiv joined Nato's partner programme a year ago, deepening its ties with the alliance despite warnings from Moscow which views Ukraine as part of its sphere of influence.
"We warn the USA that it is better to stay away from Crimea, from our Black Sea coast".
Biden "reaffirmed his goal of building a stable and predictable relationship with Russian Federation consistent with USA interests", the statement said.
North Atlantic Treaty Organisation is holding a special meeting Tuesday on Ukraine.
"The United States is our adversary and does everything it can to undermine Russia's position on the world stage", Deputy Foreign Minister Sergei Ryabkov was quoted as saying by Russian news agencies on Tuesday.
Kuleba appealed for further economic sanctions against Moscow and more military help to Kyiv.
Kuleba was to hold talks in Brussels later Tuesday with US Secretary of State Antony Blinken, who has jetted back for fresh talks at North Atlantic Treaty Organisation after a visit last month.
Separately, two diplomats said Stoltenberg would chair a video conference with allied defence and foreign ministers on Wednesday. "Russia must end this military buildup in and around Ukraine, stop its provocations and deescalate immediately".
Ukraine has said Russian Federation has accumulated 41,000 troops at its border with eastern Ukraine and 42,000 more in Crimea.
Austin, on a visit to Berlin, said the United States would ramp up its forces in Germany in light of the friction with Moscow, abandoning former President Donald Trump's plans to withdraw about round 12,000 of the 36,000 troops from there.
The G7 reiterated its March statement by backing "the independence, sovereignty and territorial integrity of Ukraine within its internationally recognised borders".
Volcano on Caribbean island of St. Vincent violently erupts, evacuations ordered
Gonsalves said he was talking to other Caribbean governments to accept people's ID cards if they don't have a passport. He said two Royal Caribbean cruise ships and two Carnival Cruise Line ones are expected to arrive on Friday.