Riyadh, Nov. 9 -- Saudi Arabia's Civil Defence issued a fresh emergency warning in the capital, Riyadh, on Monday, November 9, alerting residents to a potential threat and urging them to seek shelter and follow safety instructions.

In a post on X, Civil Defence said the National Early Warning Platform had activated an alert in Riyadh, advising residents to remain calm and move immediately to the nearest safe location.

People were instructed to stay indoors, preferably in rooms away from windows, and avoid open spaces, balconies and rooftops until the danger had passed.

Those caught outdoors were advised to enter the nearest building or seek protection behind a solid barrier. The authority also warned against gathering in public places,...