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Undersea cable damage in the Red Sea causes internet disruptions: Reports

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Undersea cable damages in the Red Sea disrupted internet access on Sunday in parts of Asia and the Middle East, experts said, though it wasn't immediately clear what caused the incident.

There is no official statement from the Telecom Regulatory Authority (TRA) and the telecom providers yet on the internet slowdown, while users reported internet disruptions via their social media posts. 

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Microsoft, in a statement, said that starting at 05:45 UTC on September 6, 2025, traffic traversing through the Middle East originating and/or terminating in Asia or Europe regions may experience increased latency due to multiple underwater fiber cuts in the Red Sea.


The disruption has required rerouting through alternate paths, which may lead to higher-than-normal latencies.

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It said the advisory is intended to raise awareness ahead of increased demand as the regions enter the start of their work week.

NetBlocks, which monitors internet access, said "a series of subsea cable outages in the Red Sea has degraded internet connectivity in multiple countries," which it said included India and Pakistan. It blamed "failures affecting the SMW4 and IMEWE cable systems near Jeddah, Saudi Arabia."

Similar internet disruptions have been observed on Etilasat and Du networks in the United Arab Emirates, resulting in slow speeds and intermittent access as engineers work to resolve the issue impacting multiple countries, NetBlocks said.

Multiple international subsea cables were cut in the Red Sea. Our engineering teams are actively managing the interruption via diverse capacity and traffic rerouting, while also discussing alternate capacity options and providers in the region, Microsoft said.

Undersea fiber cuts can take time to repair; as such, we will continuously monitor, rebalance, and optimize routing to reduce customer impact in the meantime. We'll continue to provide daily updates, or sooner if conditions change, it added.


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