Western leaders may impose more sanctions on Russia if it takes further action after its seizure of Ukraine's Crimea, the Dutch Prime Minister told CNBC, adding that the West did not accept the Russian occupation.
Dutch leader Mark Rutte said he had discussed the issue with numerous world leaders including U.S. President Barack Obama, at a summit being held on Tuesday at The Hague in the Netherlands.
"I feel that we have a general agreement that at this stage we do not accept the fact that Crimea has been occupied," Rutte told CNBC Tuesday.
"At the same time, we're trying to contain the issue to Crimea. And if it were to... escalate, in that case we are preparing targeted sanctions."
Rutte said these targeted sanctions would hit Russia harder than they would Europe or the U.S., although he admitted there would be an "unavoidable (spillover) effect."
He added: "It's difficult to foresee whether he (Russian President Vladimir Putin) will retract from Crimea or not, but I do feel that Russia senses we are serious and we want them to give up the Crimea, and at least prevent this conflict from spiraling to other regions of Ukraine."
(Read more: Russia's next step: Capital controls?)
Rutte's comments came as Russia and the West seek to draw a provisional line under the Ukraine crisis on Tuesday.
After scoffing at a decision by the United States and its allies to boycott a planned Group of Eight summit in Sochi and hold a G-7 summit instead without Russia, the Kremlin said it was keen to maintain contact with G8 partners.
"The Russian side continues to be ready to have such contacts at all levels, including the top level. We are interested in such contacts," Putin's spokesman, Dmitry Peskov, told Interfax news agency.
British Prime Minister David Cameron made clear that while the West did not accept Putin's annexation of Crimea, it would hold back from more severe measures against the Russian economy unless he went further.
"There's a view that the status quo is unacceptable, but there's then another very, very strong view that any further steps into Eastern Ukraine would be even more serious and would result in much greater sanctions," Cameron told reporters in The Hague when asked whether the West accepted that Crimea was lost.
Moscow made two conciliatory gestures on Monday as its deputy economy minister said up to $70 billion in capital may have fled his country in the first quarter of the year.
Foreign Minister Sergei Lavrov met his Ukrainian counterpart Andriy Deshchytsia for the first time on the sidelines of a nuclear safety summit in The Hague, even though Russia does not recognize the Kiev government.
Moscow also allowed the first monitors from the pan-European security watchdog OSCE to begin work in Ukraine after prolonged wrangling over their mandate, which Russia says excludes Crimea.
The Ukrainian Foreign Ministry said Deshchytsia protested at the annexation of Crimea. Lavrov said Russia did not intend to use force in eastern and southern regions of Ukraine, and "the two sides agreed not to fuel further escalation in the Crimea problem that could cause casualties", it said.
Ukraine ordered its remaining forces in Crimea to withdraw on Monday for their own safety after Russian forces fired warning shots and used stun grenades when they stormed a marine base and a landing ship. There were no casualties.
That order came too late to save the job of interim Defence Minister Ihor Tenyukh, who was sacked by parliament on Tuesday over his handling of the crisis, after it emerged that less than a quarter of soldiers in Crimea plan to stay in the military.
Lawmakers elected Mykhailo Koval, head of the Ukrainian border guard, to replace Tenyukh.
In the Perevalnoye base, 25 km (15 miles) south east of the capital Simferopol, somber-looking Ukrainian troops loaded a freight truck with furniture, clothes and kitchen appliances.
"We are not fleeing, but leaving to the mainland where we will continue to serve," said a soldier who identified himself only as Svyatoslav. "One cannot be a soldier without a country and we have to relocate," he said.
But in the Belbek air base stormed four days ago, officers and soldiers refused to leave until the Russian military releases their commander, Colonel Yuliy Mamchur, who became a symbol of Ukrainian resistance in Crimea.
According to his aides, Mamchur is being held in the Russian Black Sea Fleet's home port of Sevastopol.
Ukrainian Finance Minister Oleksander Shlapak said he was negotiating with the International Monetary Fund for a loan package of $15-20 billion because the economy had been severely weakened by months of political turmoil and mismanagement. He forecast a 3 percent contraction in the economy this year.
Kiev backed away from a threat to cut off water and electricity supplies to the Black Sea peninsula, which Russia annexed last week despite Ukrainian and Western protests.
Putin's spokesman Peskov reiterated that since the Black Sea fleet was no longer based in what Moscow considers to be Ukrainian territory, there were no legal grounds for continuing to give Ukraine a discount in the price it pays for Russian gas, especially since Kiev was not paying its arrears.
(Read more: German businesses unsettled by Crimea tensions)
U.S. and European officials said no one pressed for wider economic sanctions against Moscow when Obama met leaders of Germany, France, Britain, Italy, Japan and Canada on Monday. But they agreed that Russian intervention in eastern or southern Ukraine would trigger additional sanctions, as would violence in Crimea, a U.S. official said.
The United States sought to reassure Kiev on Tuesday that this did not mean it was giving up on Crimea.
"Ukraine and the United States emphasize that they will not recognize Russia's illegal attempt to annex Crimea," the two countries said in a joint statement.
The G-7 leaders also urged the IMF to reach agreement swiftly on a financial support package for Kiev, which would unlock additional aid from the European Union and Washington.
(Read more: Russia set for $70 billion of capital outflows)
Both the West and Russia sought to woo other key nations present in The Hague.
Obama, who discussed the Ukraine crisis with Chinese President Xi Jinping on Monday, met President Nursultan Nazarbayev of Kazakhstan, which is part of a customs union with Russia but is also seeking to join the World Trade Organisation.
Nazarbayev, a ruling politburo member before the collapse of the Soviet Union in 1991, expressed understanding for Russia's position in a telephone call with Putin on March 10.
Lavrov meanwhile sought support from foreign ministers of the BRICS grouping of emerging economic powers - Brazil, Russia, India, China and South Africa.
In a joint statement that did not mention Ukraine or take a position on the annexation of Crimea, they said: "The escalation of hostile language, sanctions and counter-sanctions, and force does not contribute to a sustainable and peaceful solution..."
European diplomats said tentative signs that Putin may have decided to go no further than Crimea in his campaign to protect ethnic Russians in Ukraine and other former Soviet republics may reflect concern about the economic consequences.
Russian shares and the ruble rose moderately on Tuesday on the absence of new G-7 sanctions.
The crisis is also taking a toll in Western Europe. German business morale dropped for the first time in five months in March as firms in Europe's largest economy began to worry that a standoff with Russia and further sanctions over Ukraine would hurt them in a key market, the Munich-based Ifo institute said.