A new round of Moscow's shelling and drone attacks killed six people and wounded dozens in Ukraine Sunday, authorities said, while Kyiv hit two oil refineries deep inside Russia.

There was no reduction in hostilities on the frontline, even as the United States and Russia agreed to hold a summit in a bid to resolve the conflict, which so far does not include Ukraine.

"Russia has not taken a single real step towards peace, not a single step on the ground or in the air that could save lives," Ukrainian President Volodymyr Zelensky said in a regular evening address on Sunday.

Six people died across the eastern regions of Donetsk, Zaporizhzhia, and Kherson, their respective authorities said.

The focus of the Russian offensive is on eastern Ukraine, where it has stepped up gains in recent mo

See Full Page