Lawyers were among the hundreds of thousands of Argentinians who marched in silence last week in protest at the death of state prosecutor Alberto Nisman, who had accused the country’s president and foreign minister of covering up Iran’s role in a 1994 terrorist bombing. The pair deny wrongdoing.

In a statement, the Bar Association of Buenos Aires said it was deeply concerned by the death, which had caused an unprecedented fall in public respect for state institutions. It called for an efficient and transparent judicial inquiry into Nisman’s death, which the government said was suicide.