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.

Israel expanded its surprise campaign against its main rival with a strike on the world's biggest gas field.

Iranian state television, long controlled by hard-line supporters of the country’s theocracy, repeatedly aired footage of missile strikes on Tel Aviv throughout the morning.