German football great Franz Beckenbauer says the bidding committee he chaired for the 2006 World Cup "went to the limits".
England withstood heavy home pressure to leave Duisburg with a 0-0 draw from their friendly against Germany.
England scout Alan Cork has been caught up in a terrorist incident for the second time in five days.
Angela Merkel has apologised for the postponement of the fixture between Germany and the Netherlands on Tuesday.
Germany's friendly against Netherlands on Tuesday was cancelled after indications of a "concrete terrorist threat".
France manager Didier Deschamps has spoken for the first time about the events at Stade de France last Friday.