It really is becoming ludicrous...I can understand the prohibition of tripods at certain places ..at certain times ....but truthfully would a 'terrorist' need to go out and take pictures prior to an attack ...when I would imagine that virtually every landmark or building has already been photographed and posted on the web a thousand times over.....call me cynical but the recent 'high alert' would not have anything to do with president Blair appearing before the enquiry on Iraq this week..."means of justification "