Violent explosions were heard in several cities in western Iran

 Several explosions were heard Sunday morning in several cities in Iran's Ma'ribi region.

 Reuters news agency quoted local news agencies and social media posts as saying that loud explosions were heard in several cities of western Iran on Sunday morning.

  However, the nature of the blasts was not immediately known.

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 Following similar incidents in recent months, officials said the Iranian military was conducting unannounced defense exercises following recent tensions with the United States and Israel.

 The governor of Asadabad Town said that a terrible explosion was heard but it is said that it is not known yet.

 According to the governor, "at first I thought it was thunder, but later I found out that it was not."

 According to the Rokna News website, the sound of explosions in some cities and areas was so loud that the doors and windows of houses were shaken and people came out of their houses.

 In the video posted on Twitter  it can be seen that the sounds of explosions are from anti aircraft guns.

 However

the Reuters news agency could not independently verify the video.

 Tensions are rising between Iran and its rival Israel

while Tehran is holding indirect talks with the United States to save the 2015 nuclear deal.

 Israeli leaders have been threatening military action against Tehran.

  According to him, if Iran could not be stopped from acquiring nuclear weapons through diplomacythen military action will be taken.

 Tehran says its nuclear program is for peaceful purposes.