June 2 (SeeNews) - The US Treasury Department said it sanctioned on Wednesday Bulgarian businessman Vassil Bojkov, former MP Delyan Peevski and Ilko Zhelyazkov - the former deputy chief of the Bulgarian State Agency for Technical Operations who was appointed to the National Bureau for Control on Special Intelligence-Gathering Devices, for their "extensive roles in corruption in Bulgaria", as well as their networks encompassing 64 entities.