HRMMU, in a statement on Sunday, warned that the attack underscores the grave risks of using powerful explosive weapons in populated areas.
Russia and Belarus are not invited to participate in the gatherings.
Direct talks between the Ukrainian and Russian envoys will begin at 12:30 p.m. (0930 GMT).
Annalena Baerbock presented her priorities during an informal dialogue with member states held on Thursday at Headquarters in New York.
NATO secretary-general Mark Rutte on Thursday said he was optimistic of an end to the war in Ukraine.
British foreign secretary David Lammy has accused Russian President Vladimir Putin of sending a “low-level” delegation to peace talks on Ukraine.
Washington has repeatedly urged allies to agree to spend five per cent of gross domestic product on defence at the upcoming NATO summit in June.
Mr Medinsky, a presidential adviser and former culture minister, is considered a political lightweight in Moscow.
President Donald Trump arrived in Riyadh on Tuesday for his first multi-day foreign trip since he returned to the White House earlier this year.
“I’ll be waiting for Putin in Türkiye on Thursday. Personally,” said Mr Zelensky. “I hope that this time the Russians will not look for excuses.”
