Human Rights Watch has accused Saudi authorities of waging a "campaign of death".
Human Rights Watch has accused Saudi authorities of waging a "campaign of death".
According to media sources, the Omanis were returning home after performing Umrah in Mecca, when the bus crashed into a truck coming from the opposite direction.
Foreign Minister Adel Al Jubeir said recent comments by Iranian officials show their interference in the region.
Hamas leader Khaled Mashaal and other officials from the militant Palestinian group visited the holy city of Makkah last week.
This year's figure is still below the record 192 which human rights group Amnesty International said were carried out in 1995.
"I think Saudi Arabia would seriously try to get the bomb if Iran did. It's just like India and Pakistan."
Saudi-backed militiamen, meanwhile, exchanged heavy artillery fire with their Houthi foes in the northern approaches to Aden on Wednesday.
Carter arrives in Riyadh to allay fears on nuclear agreement.
The company secured an $825 million loan from banks in February to pay debt and fund acquisitions.
The accident took place in the southwestern region of Jazan, killing father, mother and two daughters while three sons suffered serious injuries.