The credit crunch has raised tensions between the U.K. and the Isle of Man, as the offshore tax haven in the Irish Sea tries to recover assets frozen amid the nationalization of Icelandic banks.

U.K. Chancellor of the Exchequer Alistair Darling called Monday for a review of relations with the Isle of Man. The island is a self-governing U.K. crown dependency but is represented by the U.K. on the world stage.