Mr Hashemi had told the Pan-Arab newspaper al-Sharq al-Awsat during his stay in Qatar that he would go next to Saudi Arabia on his tour of "friendly states".
Imad al-Din Adib in the pan-Arab Saudi-owned Al-Sharq al-Awsat agrees that the killing of the US ambassador and three of his aides "is a humanitarian and political catastrophe" with implications for "Washington's ties with the region as a whole".