Russia on Wednesday launched a major ballistic and cruise missile attack on regions across Ukraine, targeting energy production and compelling authorities to shut down the power grid in some areas despite freezing winter weather,

NATO member Poland scrambled fighter jets after overnight Russian missile and drone attacks on Ukraine, Warsaw's military said on Wednesday. Newsweek has reached out to Polish authorities and Russia's Defense Ministry for comment via email.

Ukraine is using a pulse jet engine to power the Trembita missile. Despite being an older, seldom-used design, these engines allow for the easy production of the missile.

The enemy attacked the energy infrastructure of our region and Ukraine. Emergency blackouts have been introduced in six oblasts, but Lviv is not among them yet,” he wrote, confirming earlier reports that enemy cruise missiles had been seen flying toward western Ukraine.

Critical infrastructure facilities have been hit in two districts of Lviv Oblast as a result of a massive Russian missile attack. Source: Maksym Kozytskyi, Head of Lviv Oblast Military Administration,