According to White House spokesman Karin Jean-Pierre, the US is closely consulting with allies in Europe to determine how to conduct the security talks recently negotiated between US President Joe Biden and Russian leader Vladimir Putin.
"Today, the national security adviser Sullivan called his B9 partners," RIA Novosti quotes Jean-Pierre.
The Nine countries include Bulgaria, Czech Republic, Lithuania, Latvia, Estonia, Hungary, Poland, Romania and Slovakia.
On December 10, Joe Biden held talks with the leaders of the Bucharest Nine countries, the White House reports.