The presence of Iranian vice president for economic affairs Mohsen Rezai at the inauguration of Daniel Ortega as president of Nicaragua caused outrage due to Rezai's alleged involvement in the 1994 bombing of a Jewish center in Buenos Aires.
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Mohsen Rezai has been on the official Wanted list of Interpol since March 2007 due to the attack.
The Argentine government has also come under criticism from the country's opposition for sending its ambassador to Nicaragua, Daniel Capitanich, to the event.
The attack on the Jewish community center occurred on July 18, 1994. A suicide bomber drove a vehicle loaded with 275 kilograms of explosives into the building. The attack claimed the lives of 85 people and injured hundreds more. The bombing is Argentina's deadliest terrorist attack to date.