President Donald Trump had a second, informal session with Russian President Vladimir Putin at the G-2 0 summit earlier this month, White House officials confirmed Tuesday.

Officials had not corroborated the July 7 meeting until Ian Bremmer, a political scientist and president of the Eurasia Group, told Charlie Rose in an interview released Tuesday that the two leaders fulfilled on the sidelines of the global summit in Hamburg, Germany, following a dinner with the heads of government attending the session. That second, private session took place after Trump's formal sit-down with the Russian president, which lasted more than two hours .

TOBIAS SCHWARZ via Getty Images
German Chancellor Angela Merkel( c-R) flanked by( from L) Russia's President Vladimir Putin, US First Lady Melania Trump, Argentinia's President Mauricio Macri and China's President Xi Jinping attends the banquet after a concert at the Elbphilharmonie concert hall during the G2 0 Summit in Hamburg, Germany, on July 7, 2017.