TEHRAN - Iran's Foreign Ministry Spokesman Nasser Kanaani on Monday warned that his country will make a "harsher and more decisive" response should Israel make another mistake.

ALSO READ: Türkiye warns of wider conflict after Iran-Israel tension

He made the remarks at a weekly press conference in the capital Tehran while commenting on Iran's recent massive retaliatory military operation against Israel, which was carried out in response to a deadly Israeli strike on April 1 against the Iranian consulate in Syria.

Turning to the explosions heard early Friday near the Iranian city of Isfahan in an apparent Israeli strike, Kanaani (Iran's Foreign Ministry Spokesman) denounced the attack as "vexatious and malicious"

Kanaani said the Israeli attack on Iran's diplomatic premises constituted an aggressive violation of international laws and regulations.

READ MORE: Experts: Mideast tensions up energy fears

He stressed that Tehran deemed its retaliatory operation concluded and its objectives achieved, but "if Israel makes another mistake, Iran's response will be harsher and more decisive."

Turning to the explosions heard early Friday near the Iranian city of Isfahan in an apparent Israeli strike, Kanaani denounced the attack as "vexatious and malicious", adding no party has yet claimed responsibility for it.

He noted that Iran's air defense had carried out its duty and foiled the attack conducted by "a small flying object and micro air vehicle," stressing the perpetrators did not achieve anything.

READ MORE: US sanctions Iran's steel, drone, automaker industries in response to attack against Israel

Commenting on Iran's potential countermeasures in response to the incident, Kanaani said necessary actions had been taken and the incident did not warrant any follow-up.