Russian President Vladimir Putin chairs a meeting on the coronavirus disease vaccines production via a video link at the Novo-Ogaryovo state residence outside Moscow on March 22, 2021. (ALEXEY DRUZHININ / SPUTNIK / AFP)

MOSCOW - Moscow and Washington are in contact over whether Russia will attend a climate summit after US President Joe Biden invited his Russian counterpart Vladimir Putin, RIA news agency cited Russia’s foreign ministry as saying on Wednesday.

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Russia said it was waiting for additional information from the United States before deciding on what format its participation might take, RIA said.

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The White House said last month that Chinese President Xi Jinping and Putin were among 40 world leaders invited to the April 22-23 summit.