Saudi Arabia on Saturday intercepted and destroyed a "ballistic missile" northeast of the capital Riyadh after it was launched from Yemen, state media reported.

A gunman killed two staff at a private school owned by a prominent Saudi billionaire in Riyadh on Wednesday, a security source told AFP. The school was closed and no children were there at the time, said the US embassy in Riyadh.

Cebu Pacific Air (CEB) has announced that it will suspend its service to and from Qatar, Saudi Arabia, and Kuwait.

HH the Emir Sheikh Tamim bin Hamad al-Thani discussed during a meeting with the President of the United States of America Donald Trump the close friendship and co-operation between Qatar and the US.

US President Donald Trump arrived in Saudi Arabia on Saturday, the first stop on his maiden international trip since taking office in January.

Riyadh city authorities have started clearing the capital's neighbourhoods of illegal markets operating on residential plots following a government order that was passed in December.

A major contractor on Riyadh's $22.5bn urban rail and bus system said on Monday the project is on track despite Saudi government cuts to infrastructure last year after oil revenues fell.

Qatar Airways has announced an increase in services to Dammam and Riyadh, connecting travellers from Saudi Arabia to more than 150 worldwide destinations through the award-winning Hamad International Airport in Doha.

Saudi police have arrested a man on public order charges after he was accused of cross-dressing online, a report in the conservative kingdom said late on Monday.

Sky Prime Aviation Services has become the latest aviation company in Saudi Arabia to be awarded a national air operator licence under an ongoing liberalisation of the kingdom's aviation market.

Saudi authorities on Friday executed a national convicted of murdering a compatriot, in the 101st execution of the year in the kingdom, the interior ministry said.

Qatar and Saudi Arabia have decided to increase the number of flights between the two countries. An agreement to this effect was reached during the 3rd Middle East Aviation Safety Summit.