Was Israel hunting Tehran's top peace negotiator, Ghalibaf, in the skies?

Fresh reports allege Israel plotted to assassinate Iran's Parliament Speaker Mohammad Bagher Ghalibaf during a sensitive diplomatic mission. As Iran mourns Ali Khamenei, new claims describe fighter jet escorts, emergency diversions, intelligence warnings and an eight-hour road journey to safety. Here's what is being reported, what officials have said, and why the claims matter for the wider Middle East crisis.