Dubai, Sept. 1 -- The unexplained explosion of a rocket at an Iranian space center grew more mysterious Saturday as President Donald Trump tweeted what appeared to be an American surveillance photo of the site and Tehran showed off a satellite meant to be launched.

Trump's tweet showing the aftermath of Thursday's explosion at the Imam Khomeini Space Center drew a taunting tweet from Iran's Information and Communications Technology Minister Mohammad Javad Azari Jahromi. However, Jahromi declined to say what went wrong while showing local journalists the Nahid-1 satellite meant to be launched.

"I have no idea about the Americans' comment about Semnan space site and I think it is more appropriate that the respected minister of defense tal...