“We do not know who is behind the attack and what exactly happened.

We are monitoring incoming information.

It is very important for us to avoid escalation in the region, so we urge everyone involved to avoid any actions that could lead to an increase in tension, ”RIA Novosti quotes him.

Earlier, Russian Foreign Ministry spokeswoman Maria Zakharova said that Russia strongly condemns the drone attack on a defense plant in the Iranian province of Isfahan.

Before that, a powerful explosion was reported in Iran.

The Wall Street Journal reported that Israel attacked the military plant of the Iranian Ministry of Defense in the city of Isfahan with the help of drones.

According to the Al Arabiya TV channel, American aircraft were involved in the drone attack on a military facility in Isfahan.