Flags of Canada in Ottawa. File photoWASHINGTON, Jun 8 Canada has expanded its sanctions list against Russia by adding a ban on advising Russian oil and gas and chemical companies, the government said. 28 types of activities, including construction and transportation, computer, accounting and consulting services in the areas of mining, the production of oil and coal products, as well as chemical products. Earlier it was reported that on May 31, Canada introduced another package of restrictions against the financial sector of Russia, which affected 22 individuals and four legal entities. The Canadian sanctions list has been expanded to include high-ranking employees of Russian financial institutions, as well as large banks.