A spokesman for the Russian president, Vladimir Putin, has said the Geneva agreement to defuse the situation in eastern Ukraine is no longer viable after Kyiv launched a military operation against the rebel-held city of Slovyansk.
Russia's War Against Ukraine
The Guardian: Putin says Geneva agreement no longer viable after Ukrainian military action
Kyiv launched a military operation against the rebel-held city of Slovyansk. Pro-Russian separatists shot two helicopters and killed two Ukrainian soldiers on May 2.