U.S. President Donald Trump has posted an ominous message on his social media site, calling for the immediate evacuation of Tehran. In this photo, Smoke rises from the building of Iran's state-run television after an Israeli strike in Tehran, Iran, Monday, June 16, 2025. (AP Photo) AP

Fresh explosions were reported in the Iranian capital of Tehran on Sunday afternoon local time after Iran's president warned of "more painful and crushing responses" to Israeli strikes.Footage circulating online on Sunday afternoon Tehran time appeared to show smoke rising from buildings in several locations and at least one video of a burning car.

The retaliatory strikes came on Saturday, a day after Israel killed top Iranian military leaders and scientists and destroyed an aboveground nuclear enrichment plant near Natanz.

Later Monday, Trump posted on his social media site an ominous message calling for the immediate evacuation of Tehran, Iran’s capital. He made the post while in Canada attending the G7 summit.

President Donald Trump's ‘evacuate Tehran’ post on Truth Social caused panic as multiple explosions were heard in the Iranian capital on Monday

Five days after a surprise assault on Iran's military and nuclear sites, Israel appears to be expanding its air campaign on Tehran.

Israel has reportedly carried out a pre-emptive strike targeting sites in Iran, according to Israeli media outlet Channel 12. The attack comes amid heightened regional tensions, with Al Jazeera reporting loud explosions in Tehran shortly after the strike. Axios also confirmed that air raid sirens were heard across multiple locations in Israel.