Dubai | Speculation over the health of Iran's Supreme Leader Ayatollah Mojtaba Khamenei grew Wednesday after the son of Iran's president mentioned hearing news about him "being injured".

Mojtaba, 56, is the son of the late Supreme Leader Ayatollah Ali Khamenei.

He long has been a secretive figure within Iran. His father and wife both were killed in an Israeli airstrike Feb 28 that started the war.

Mojtaba has not been seen since, nor has he given any statement since becoming supreme leader on Monday.

In an overnight post on the app Telegram, Yousef Pezeshkian, the son of President Masoud Pezeshkian, wrote: "I heard news about Mr Mojtaba being injured. I asked friends who were in contact. They said, thank God, he is healthy and there is no problem." He did not elaborate.