DUBAI (Reuters) -Several loud explosions were heard in Iran's capital Tehran and the nearby city of Karaj early on Saturday, semi-official Iranian media said, adding that the cause was unknown. Iran's state TV said several strong explosions were heard around the capital, but there was no official comment about the source of the explosions.

Several loud explosions were reported in Tehran and the nearby city of Karaj early Saturday morning. The cause of these explosions is currently unknown. Iran's state television confirmed the reports but had no official comment on their source.

According to the Arab media, explosions were heard near the headquarters of the Revolutionary Guards, while after the Israeli attack on Tehran, fires broke out in many places. There was also a fire report in a building in Tehran, but the fire brigade department of Tehran clarified that this building had nothing to do with the Ministry of Defense.