0244 GMT March 20, 2019
'The Greek charge d'affaires, in absence of the country's ambassador, was summoned to Iran's Foreign Ministry,' said Bahram Qasemi, spokesman of the ministry, IRNA reported.
Expressing its strong objection to what has happened, Iran urged the immediate investigation into the incident, as well as the identity of the aggressor and his motives, he said.
On Wednesday afternoon, an unidentified individual stabbed a staff member of Iran's embassy in a street around the embassy premises that resulted in his injury.
The staff member is being treated at a hospital.