Dr. Ahmad Hatami, board member of Iranian Space Research Center, is one of 8 Iranians killed; Tehran accuses Riyadh of negligence.
On Sunday, Iranian Parliament Speaker Ali Larijani accused the Saudi government of negligence and said Riyadh was responsible for the deadly incident.
http://www.timesofisrael.com/top-iranian-scientist-among-107-dead-in-mecca-crane-collapse/
http://www.debka.com/newsupdate/12692/Iranian-space-scientist-killed-in-Mecca-crane-accident
http://www.spacewar.com/reports/Saudi_deplores_Iran_charge_of_kidnapped_scientist_report_999.html