Russia says Ukraine launched a large-scale drone assault over multiple regions including St. Petersburg.
A major economic forum is getting underway in St. Petersburg, an event often dubbed Vladmir Putin's version of Davos.
The attack comes a day after Russia launched a wave of deadly strikes across Ukraine, killing at least 23 people.
AI-generated summary was reviewed by a CNN editor.
Moscow downed hundreds of drones over its territory late Tuesday, regional officials said, after Kyiv launched a major attack reaching as far as the Russian capital as an economic forum drawing thousands of attendees gets underway.
