XL Insurance Ltd v Owens Corning.     This was an application by a Bermudan insurance company, 'XL', for an order to restrain a Delaware corporation, 'Owens Corning', from pursuing an insurance claim against XL in Delaware, or any forum other than arbitration in London, on the ground that the insurance policy contained a London arbitration clause and Owens Corning was acting in breach of contract by suing XL in Delaware.