Former president Donald Trump is the frontunner for the Republican nomination. Photograph: Charlie Neibergall/AP Federal prosecutors in the United States have notified former president Donald Trump that he is the target of a criminal investigation regarding his handling of classified documents, US media have reported. The move is seen as an indication that the special counsel appointed to examine the issue, Jack Smith, is nearing the conclusion of his work and that a decision on whether to charge Mr Trump may come soon. US department of justice rules allow prosecutors to notify those who become the targets of an investigation...