Washington, June 3 -- US Secretary of State Marco Rubio said on Tuesday, June 2, that Iran's Supreme Leader Mojtaba Khamenei is alive and becoming increasingly engaged in governing the country, despite remaining out of public view after being wounded in US-Israeli attacks.

"I think there are indications out there that he is increasingly engaging at some level," Rubio told the Senate Foreign Relations Committee.

The 56-year-old has not been seen publicly since succeeding his father, Ali Khamenei, who was killed in the opening wave of US-Israeli strikes that launched the war on February 28.

Rubio suggested that security concerns could explain Khamenei's continued absence from public appearances.

"I would imagine, given what's happened t...