Yemen's Huthi rebels claimed a missile strike Thursday on a plant of energy giant Saudi Aramco in the western Saudi Arabian city of Jeddah amid an escalation in cross-border attacks on the kingdom.

A munition fired by Yemen's Huthi rebels wounded five civilians in a border village in southern Saudi Arabia, state media reported Tuesday, the kingdom's latest casualties from cross-border fire.

The Turkish fiancee of slain Saudi journalist Jamal Khashoggi said on Monday that Saudi Arabia's crown prince Mohammed bin Salman should be "punished without delay" over his murder.

"It is essential that the Crown Prince, who ordered the brutal murder of a blameless and innocent person, should be punished without delay," Hatice Cengiz said in a statement posted on her official Twitter account.

Saudi Arabia on Friday said it "completely rejects" a declassified US report that found that de facto ruler Crown Prince Mohammed bin Salman approved journalist Jamal Khashoggi's 2018 murder.

The US director of national intelligence is expected to release a damning report Friday that blames Saudi Crown Prince Mohammed bin Salman for the brutal murder and dismemberment of dissident journalist Jamal Khashoggi in October 2018.

Saudi Crown Prince Mohammed bin Salman, the kingdom's de facto ruler, has had successful surgery for appendicitis, state media reported late Wednesday. 

Saudi forces intercepted an armed drone fired by Huthi rebels in Yemen on Thursday, the Riyadh-led coalition said, a day after a rebel strike on an airport in the kingdom.

Saudi Arabia on Thursday shut down entertainment centres including cinemas and suspended dine-in services at restaurants, tightening coronavirus restrictions amid a spike in infections.

Saudi Arabia will host a two-day Davos-style investment forum starting Wednesday, with dozens of global policy makers and business tycoons lined up to speak at the partly virtual event amid the coronavirus pandemic.

Saudi Arabia intercepted a "hostile target" over Riyadh on Saturday, said state media in the kingdom which has come under repeated attack from Yemen's Iran-backed Huthi rebels since 2015.