An aide to former German Chancellor Gerhard Schroder toldin an interview that nuclear option was one of the possibilities examined by the US administration of former US president George W Bush and then-vice president Dick Cheney."They had really played through all possibilities," Michael Steiner, Schroder's political adviser, was quoted as saying in the report.The German official stated that Schroder had feared that the US would overreact to 9/11 attacks by al Qaeda that killed nearly 3,000 people and caused about $10 billion worth of property and infrastructure damage.Steiner is a senior German diplomat who has been serving the German ambassador to India since March 2012.This article originally appeared on Press TV