India, April 7 -- Ukraine's President Volodymyr Zelensky on Sunday lamented the lack of response from the United States to Russia's refusal to agree to "a full, unconditional ceasefire".

The remarks come as two people were killed in Moscow's latest aerial bombardment in Ukraine.

"We are waiting for the United States to respond -- so far, there has been no response," AFP quoted Zelensky as saying.

Zelensky informed reporters that Russia mounted a "massive" missile and drone attack on Ukraine that also wounded seven people. He warned that Moscow was stepping up its aerial attacks.

Ukraine has agreed to an unconditional truce in the more than three-year-long war proposed by the United States, but Russian President Vladimir Putin has refu...