A sandstorm has blanketed parts of the Middle East, including Iraq, Syria and Iran, sending hundreds of people to hospitals and disrupting flights in some places.
From Riyadh to Tehran, bright orange skies and a thick veil of grit signalled yet another stormy day on Monday in what was the latest in a series of unprecedented nearly back-to-back sandstorms this year that have bewildered residents and raised alarm among experts and officials, who blame climate change and poor governmental regulations.