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.