USA, Feb. 28 -- A series of massive explosions shook the Saudi capital Riyadh today, triggering widespread concern among residents, visitors, and global markets. Authorities have not yet released an official account of the cause or extent of the blasts, and casualty figures are still unconfirmed. Local reports suggest the blasts were powerful enough to be heard across significant parts of the city.

Air Traffic & Airport Disruptions King Khalid International Airport (RUH) is currently operating, but flights to and from Riyadh may face delays or last-minute changes as airlines monitor airspace security. Earlier regional tensions have already prompted carriers to reroute flights away from certain Gulf corridors to avoid Iranian or nearby m...