Sri Lanka, April 6 -- Saudi Arabia has ordered businesses to evacuate Riyadh's main financial hub amid rising concerns over potential Iranian missile and drone attacks, in a move that underscores growing regional tensions, according to Semafor.

Companies were instructed not to send staff to the King Abdullah Financial District (KAFD), with evacuation orders issued on April 2 and expected to remain in place until at least April 6, people familiar with the matter told Semafor.

The directive affects major office towers housing global financial institutions and the kingdom's sovereign wealth fund.

The order marks one of the clearest signs yet that Saudi Arabia's attempt to maintain a sense of business as usual is becoming increasingly diff...