Ukraine began evacuating its soldiers on Wednesday from the embattled city of Severodonetsk, the strategic eastern city that Russia has been battling to take over in a bid to control the Donbas region, local officials said. Ukrainian forces retreated after suffering big losses in the city that’s now about 80% controlled by Russian forces, Luhansk regional governor Serhiy Haidai said Wednesday. “This is not a betrayal,” Haidai wrote in a post on Telegram. The governor said the retreat across the river to Severodonetsk’s twin city, Lysychansk, was part of their strategy