Iran has called for more information on the incident.
All those killed were Saudi nationals.
The singer's scheduled appearance has been slammed by activists as the Gulf country faces condemnations over its human rights record
A Saudi teenager who fled to Thailand to escape alleged abuse by her family has left for Canada to take up an offer of asylum.
Rahaf Mohammed Alqunun has been appealing for aid from the United Nations refugee agency.
A Saudi teenager claims she is stranded at Bangkok's airport after fleeing her family and fears she will be killed if returned.
The kingdom accused the US legislative body of interfering in its internal affairs.
US intelligence officials have concluded that Prince bin Salman must have at least known of the plot.
Meanwhile, Saudi King Salman said he wanted a political settlement.
The US president said the report will include ‘who did it’.