reutersJanuary 4, 2013 10:31
* Sun letter to the editor new salvo in diplomatic battle
* Britain retained the islands 1982 Falklands War
* Oil exploration raises stakes in sovereignty row
By Hugh Bronstein and Estelle Shirbon
BUENOS AIRES/LONDON, Jan 4 (Reuters) - Britain's biggest-selling newspaper had a simple message for Argentina in an editorial published on Friday in the South American country: "HANDS OFF" the Falkland Islands.