The Senate is expected to vote on the package on Tuesday.
After months of obstruction, the U.S. House of Representatives had approved a nearly $61 billion aid package for Ukraine.
Even though elections cannot be held under conditions of war, Mr Poroshenko made clear that he planned to campaign once they could.
“In times when the enemy tries to destroy us, we demonstrate every day that Ukrainians are and will be. Ukraine is and will be,” said Mr Zelensky.
Russian attack on Kyiv happened hours before EU leaders gathered in Brussels to discuss their further response to the conflict.
Germany criticised Russia for “abusing” its veto power in the Security Council concerning its war in Ukraine.
In the letter, Mr Reznikov, appointed defence minister in November 2021, said all the key tasks set for his mandate had been accomplished.
Tens of thousands of people were being evacuated from the flooded area.
Clamouring for Russia not to compete at the summer and winter Olympics, President Volodymyr Zelensky said “any neutral flag of Russian athletes is stained by blood.”
In sub-zero temperatures, there was little hope of finding any more survivors.
