Buckingham Palace was given emails accusing Andrew Mountbatten-Windsor of leaking state secrets during his time as a UK trade envoy, even as the disgraced former prince was photographed near Sandringham on Thursday with a conspicuous purple bruise around his eye. The news came after weeks of renewed scrutiny of the King's younger brother. Andrew, 66, has been keeping a notably low profile on the Sandringham Estate following a reported security s…