article_snippet: On the offensive: Argentinian President Cristina Fernandez de Kirchner (left) has denied claims helped Iran cover up a terrorist attack.
article_snippet: Mrs Kirchner rejected the allegations, and Iran denied any role in the bombing.
article_snippet: The prosecutor triggered a PR fightback by the government, whose officials said The prosecutor was trying to smear Iran.
article_snippet: But the alleged smears have upset other politicians.
article_snippet: Iran has denied Iran was involved .
article_snippet: She has nevertheless gone on the offensive, accusing opposition parties of using the row for political gain and claiming the U.S. and Israel were meddling in Argentina's affairs.
highlights_snippet: Alberto Nisman's accused Cristina Fernandez de Kirchner covering Iran's alleged role .
  