This combination of pictures created on March 17, 2021 shows US President Joe Biden (left) during remarks on the implementation of the American Rescue Plan in the State Dining room of the White House in Washington, DC on March 15, 2021, and Russian President Vladimir Putin as he and his Turkish counterpart hold a joint press statement following their talks at the Kremlin in Moscow on March 5, 2020. (PAVEL GOLOVKIN, ERIC BARADAT / AFP / POOL)

Switzerland is the most likely venue for a potential summit between Russian President Vladimir Putin and his US counterpart Joe Biden in June, Russia's Kommersant newspaper reported on Monday, citing government sources.

Biden, who in March said he thought Putin was a "killer", prompting Moscow to recall its ambassador to Washington for consultations, has said he would like to hold talks with Putin during a planned trip to Europe next month.

The White House has said that differences between Washington and Moscow would need to be resolved before such a meeting. The Kremlin has said it is studying the possibility of holding the summit

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The White House has said that differences between Washington and Moscow would need to be resolved before such a meeting. The Kremlin has said it is studying the possibility of holding the summit.

Russian Foreign Minister Sergei Lavrov and US Secretary of State Antony Blinken are due to hold talks later this week in Iceland, the highest-level talks between Moscow and Washington since Biden took office.

They are expected to discuss preparations for the potential summit.

READ MORE: Biden says hopes to meet Putin during June trip to Europe

Biden has proposed he hold talks with Putin on June 15-16 in a European country, Kommersant reported last month.