The Ukrainian President will ask for more help from world powers when he delivers a virtual address to the G7 this morning.
The summit in Germany will also hear a plea for fresh sanctions against Russia, while the British Prime Minister Boris Johnson will try to persuade world leaders to agree ways to get grain, at risk of rotting, out of Ukraine - to stop a global shortage.
Volodymyr Zelensky says Moscow seems to escalate attacks whenever international events are happening.
