Pope Francis' peace envoy is heading to Moscow on Wednesday in hopes of helping find "a solution to the tragic current situation" of the war in Ukraine, the Vatican said Tuesday.

The two-day mission by Cardinal Matteo Zuppi, a veteran of the Catholic Church's peace initiatives, comes as the Kremlin is reeling from the weekend armed rebellion led by mercenary chief Yevgeny Prigozhin. Russia has since dropped charges against Prigozhin and others who took part in the brief rebellion.