The technical glitch grounded flights in the United States, derailed television broadcasts in the UK and impacted telecommunications in Australia.

"In order to avoid any disruption, some flights will be cancelled and our flights will gradually return to normal as soon as possible," Yahya Ustun of Turkish Airlines announced on X.

Most of the Turkish flagship carrier's cancelled flights were domestic and to and from Europe.

"We are working to reduce our operational intensity in order to solve the software-related problem that affects many companies from different sectors around the world," Ustun said.

Turkey's Information and Communication Technologies Authority said in a statement the disruption was not caused by a cyberattack.

"The disruption occurred in institutions and organisations using the CrowdStrike product," it added.

DenizBank, a private bank based in Turkey and owned by Emirates NBD, said in a message to customers on X that it was "working to eliminate the disruption".

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TURKISH AIRLINES - TURK HAVA YOLLARI AO