French property firm Unibail and the Whitehall Fund have sold the Coeur Defense office tower west of Paris in a deal that values one of Europe's biggest office blocks at EUR 2.11 bn. Unibail and Whitehall, with a 49% and a 51% stake respectively in SCI Karanis, the company owning the skyscraper, have agreed to sell it to Lehman Brothers Real Estate and Atemi. The transaction still requires approval from antitrust authorities.