A German company [Giesecke & Devrient] which helps Zimbabwe supply its banknotes has become the latest firm to end links...following a "political and moral assessment" of conditions there...Foreign firms in Zimbabwe are under pressure to pull out after President Mugabe's controversial re-election...Giesecke & Devrient said it had taken the decision to withdraw from Zimbabwe following an official request to do so from the German government. "Our decision is a reaction to the political tension in Zimbabwe, which is mounting significantly rather than easing as expected," said chief executive Dr Karsten Ottenberg. [also refers to Tesco]