RIYADH: Thunderstorms, potentially heavy rainfall and flash floods are forecast across most regions of Saudi Arabia through Tuesday, prompting Civil Defense authorities to urge residents to exercise caution and avoid valleys and flood-prone areas. The General Directorate of Civil Defense called on the public to remain in safe locations, avoid areas where floodwaters collect and refrain from swimming in wadis and other flooded areas. It also urged residents to follow official safety instruct
