The President of the Islamic Republic of Iran Hassan Rouhani called the incident "a painful and unforgivable” mistake and promised that his administration would pursue the case by all means, APA reports citing ABC News.
“The responsibility falls on more than just one person," he said, adding that those found culpable should be punished,” Mr Rouhani said.
“There are others, too, and I want that this issue is expressed honestly,” he said, without elaborating.
Rouhani called the government's admission that Iranian forces shot down the plane the first good step.