The apparent Islamic Revolutionary Guard Corps infographic appeared to issue an evacuation warning for parts of central Doha, including the Al Jazeera media headquarters.
Even if facilities and equipment are damaged, Grossi emphasized that reconstruction would be "very possible," since Iran has the knowledge of how to build them.
Diego Garcia is located about 4,000 kilometers from Iran, double the 2,000-kilometer range that Iranian Foreign Minister Abbas Araghchi said Iran’s ballistic missiles had last month.
Senior US military officials have reportedly submitted detailed preparation requests to US President Donald Trump as Operation Epic Fury against the Iranian regime continues.
Qaani made the remarks in his first statement since Israel's killing of Ayatollah Ali Khamenei on February 28 at the start of the US-Israeli military campaign against Iran.
Khamenei has not been seen in public since he was injured in a strike that killed his father, the previous supreme leader, raising speculation that he may have been seriously wounded or disfigured.
IRAN AFFAIRS: Nearly half a century after the Islamic revolution, a number of former leftist revolutionaries are arriving at a conclusion that would once have seemed unthinkable.
Among the officials killed on Friday morning was the spokesman for the Islamic Revolutionary Guard Corps (IRGC).
The victim of the shooting is a 36-year-old police official who was seriously injured on Thursday morning. It is still unclear who was responsible for the attack.
Israeli and US actions against Iran, including strikes on key facilities such as Kharg Island, which hosts a large portion of Iran’s oil exports, have widened the confrontation.
Top US general Dan Caine had announced that American A-10 Thunderbolt II jets had entered the war and were on missions along Iran’s southern flank.
