Ukrainian President Volodymyr Zelensky said energy infrastructure, as well as “ordinary cities” were targeted in Wednesday’s attacks.

Russian President Vladimir Putin has issued a stern warning to the United States and Ukraine, saying that any use of US-supplied Tomahawk missiles by Kyiv would provoke an “overwhelming” response from...

Energy revenue is the linchpin of Russia’s economy, allowing Mr. Putin to pour money into the armed forces without worsening inflation for everyday people and avoiding a currency collapse.