“As for the strike in Syria, we are trying to establish the facts and are in the process of understanding what exactly happened,” TASS quotes him as saying.

Earlier, Supreme Leader of the Islamic Republic Ali Khamenei said that Tehran would make Israel regret the attack on the Iranian consulate in Syria.

Press Secretary of the Russian President Dmitry Peskov called the incident an act of aggression.

The Israeli air force attacked the embassy and residence of the Iranian ambassador in the Syrian capital on April 1.

The Islamic Revolutionary Guard Corps said seven Iranian military advisers were killed.