Russia launched a massive attack on Ukraine overnight into Saturday with hundreds of drones, killing at least one person, part of a stepped-up bombing campaign that has dashed hopes for a breakthrough in efforts to end the more than 3-year-old war.

Russian air defenses destroyed 73 Ukrainian drones overnight, including three heading for Moscow, Russia's defence ministry said on Friday.

Democrats denounced a report issued by the Office of the Director of National Intelligence as politically motivated and error-ridden.

Director of National Intelligence Tulsi Gabbard released a report Friday alleging Obama administration officials manipulated intelligence related to Russian interference in the 2016 election. Gabbard asserted in a statement that former officials engaged in a “treasonous conspiracy” and said her office was turning over evidence to the Justice Department for possible criminal referrals.

Former Russian President Dmitry Medvedev on Friday predicted the Russian economy would withstand the European Union's latest sanctions package and said Moscow would intensify its strikes against Ukraine.

The E.U. approved plans to lower a price cap on Russian oil and ban transactions with 22 more Russian banks, pressing ahead with sanctions without the U.S.