South Korean Bank To Foreclose on Union Station in Washington, D.C.: South Korea’s Kookmin Bank, which stepped in earlier this year to avert a planned foreclosure sale of the leasehold interest in Washington, D.C.’s historic Union Station, has now filed notice to sell control of the transportation hub. Real estate firm Cushman & Wakefield is advertising a public auction scheduled for June 14 where a new buyer can take ownership.