CORRECTED-WRAPUP 12-Putin flaunts alliance with Xi as 'dear friends' meet in Kremlin

(Corrects paragraph 3 in March 20 datelined story to show Xi re-elected earlier in March, not last month)

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Visit follows Putin arrest warrant for war crimes

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China and Russia both denounce international court ruling

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China seeks to broker Ukraine peace, Kyiv wants Russia out

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Fighting rages round Bakhmut in east Ukraine

March 20 (Reuters) - Vladimir Putin hosted his "dear friend" Xi Jinping for dinner at the Kremlin on Monday, showing off his relationship with his most powerful ally just days after an international court called for the Russian president's arrest for war crimes in Ukraine.

Washington denounced Xi's visit, saying the timing indicated Beijing was providing Moscow with "diplomatic cover" to commit additional crimes.

It was the first trip abroad for Xi since he obtained an unprecedented third term earlier this month. The Chinese leader has been trying to portray Beijing as a potential peacemaker in Ukraine, as he deepens economic ties with his closest ally.

Putin and Xi greeted one another as "dear friend" when they met in the Kremlin, and Russian state news agencies later reported they held informal talks for nearly 4-1/2 hours, with more official talks scheduled for Tuesday.

In televised comments after they greeted each other, Putin told Xi he viewed China's proposals for a resolution of the Ukraine conflict with respect. He confessed to being "slightly envious" of China's "very effective system for developing the economy and strengthening the state".

Xi, for his part, praised Putin and predicted Russians would re-elect him next year.

"Under your strong leadership, Russia has made great strides in its prosperous development," he said.

Moscow has been publicly promoting plans for a visit by Xi for months. But the timing gave the Chinese leader's personal support new meaning, after the International Criminal Court issued an arrest warrant on Friday accusing Putin of war crimes for deporting children from Ukraine.

Moscow denies illegally deporting children, saying it has taken in orphans to protect them. It opened a criminal case against the court's prosecutor and judges. Beijing said the warrant reflected double standards.

The West says the warrant should make the Russian leader a pariah.

"That President Xi is travelling to Russia days after the International Criminal Court issued an arrest warrant for President Putin suggests that China feels no responsibility to hold the Kremlin accountable for the atrocities committed in Ukraine," U.S. Secretary of State Antony Blinken said.