Met Police face monster security operation as Donald Trump insists on golden carriage procession during visit Posted on April 23, 2017 by Loknath Das The White House has reportedly made it clear that the President expects the traditional state welcome of a carriage procession down the Mall with Her Majesty. But security officials in London have warned that it would prove difficult to secure Read More Met Police face monster security operation as Donald Trump insists on golden carriage procession during visit