Illustrative image (Photo: Xinhua/VNA)

Iran's Fars news agency reported that explosions were heard near the airport in Isfahan, but their cause of was unconfirmed.

Some flights have been asked to divert from Iranian airspace. Iran's air defense systems have been activated in several provinces, state news IRNA reported. Iranian state television said nuclear facilities in Isfahan province were not affected.

The international community is calling on all parties to exercise restraint and avoid escalating tensions in the region.