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 detonated five car bombs in the Iranian capital Tehran amid an exchange of attacks between the two regional arch-foes, Iranian media said on Sunday. The state news agency IRNA, citing an informed source, said the explosions took place after Iranian air defenses successfully repelled the latest wave of Israeli strikes on Iran.

An Israeli military official says his country targeted Iranian nuclear sites. The attack Friday comes amid heightened tensions over Tehran's nuclear program.