Notre Dame in Paris is set to reopen following the devastating 2019 fire that destroyed its roof and spire.
Two newly-appointed top European leaders have arrived in Kiev to show support for Ukraine - amid reports the country's President Zelensky has suggested in may be ready to accept a ceasefire by temporarily ceding some Russian-held territory in exchange for NATO membership for unoccupied parts of Ukraine.
And anti-government protests are spreading in the former Soviet state of Georgia.