(Reuters) – Imperial Brands Plc has suspended all operations in Russia, following international sanctions against the country in response to Moscow’s invasion of Ukraine, the maker of Winston cigarettes and Backwoods cigars said on Wednesday. The London-listed company said it was halting production at its factory in Volgograd and all sales and marketing activities in the country. “This decision comes amid a highly challenging environment in Russia as a result of international sanctions and consequential severe disruption,” Imperial Brands said. The British company, which has already suspended …