Canadian billionaire Galen Weston on Monday announced he had agreed a £598 million deal for upscale UK department store group Selfridges although the famous retailer said it's still open to other offers. The retailer, best known for its flagship store in London's Oxford Street, has accepted the offer from Weston's Wittington Investments which will also assume Selfridges' net debt, estimated to be about £30.1m.