Three telecommunication lines running under the Red Sea have been cut as Yemen’s Houthi rebels continue to target the waterway.

A statement by Hong Kong-based HGC Global Communications acknowledged the cuts but did not say what caused the lines to be severed. There has been concern about the cables being targeted in the Houthi campaign, which the rebels describe as an effort to pressure Israel to end its war on Hamas in Gaza. However, the Houthis have denied attacking the lines.

The severed lines include Asia-Africa-Europe 1, the Europe India Gateway, Seacom and TGN-Gulf. According to HGC Global Communications, the cuts are affecting 25% of the traffic flowing through the Red Sea. It described the Red Sea route as crucial for data moving from Asia to Europe and said it had begun rerouting traffic.

While the Seacom-TGN-Gulf line are two separate cables, it was one line at the area of the cut. Both Seacom and Tata Communications, part of the Indian conglomerate and behind the Seacom-TGN-Gulf...