- Internet services have been disrupted in large parts of the Middle East and India following damage to two undersea cables in the Mediterranean.
There was disruption to 70% of the nationwide network in Egypt, and India suffered up to 60% disruption.
UK firms such as British Airways have told the BBC that call centres have been affected by the outage.
Industry experts said it could take up to one week to repair the damaged cables and resume full service.
International telephone calls, which have also been affected, are being rerouted to work around the problem.
Disruption also occurred in the United Arab Emirates (UAE), Kuwait and Saudi Arabia, reported the Associated Press.
In Dubai, at least two internet service providers (ISPs) were affected.
An official at the provider, DU, told AP that a fault in a cable between Alexandria, Egypt, and Palermo, Italy, was to blame.
DU issued a statement to alert customers to "a degradation in internet services and international voice calls for some customers during peak times".
The company said it was due to "cuts in two international submarine cable systems in the Mediterranean Sea this morning (Wednesday).
"We are working...