“The last attempt ... less than a week ago or so,” RIA Novosti quotes him as saying.
Earlier, the head of the Pentagon, Lloyd Austin, said that Russian Defense Minister Sergei Shoigu and other Russian colleagues in the defense sphere were refusing to engage in dialogue with the American side.
The US presidential administration announced the provision of a new $800 million military aid package to Ukraine.
The Pentagon specified that 200 M113 armored personnel carriers, 11 Mi-17 helicopters, 18 howitzers, 300 Switchblade loitering ammunition and 500 Javelin missiles will be sent to Kiev.