Police have detained four Islamic State suspects who were allegedly planning to carry out a "sensational" attack in Turkey and seized 24 suicide attack belts, officials said.
The latest detentions came as CIA chief Mike Pompeo arrived in Turkey to discuss the fight against the extremist group in Syria and Iraq, making his first overseas trip since taking office in the US.
The suspects were put under custody in an anti-terror operation in Gaziantep, near the border with Syria, according to the Gaziantep provincial governor's office.
Police found the suicide belts - made with 150kg of explosives and fortified with metal pieces - as well as two automatic rifles, 14kg of TNT and other materials during the operation, it said.
There were no details on the nationalities of the suspects, who were allegedly taking orders from high-level IS members in Syria.One suspect was wanted for membership of a terror organisation, according to the governor's office.
Last year, Turkey suffered a series of deadly attacks carried out by IS or Kurdish militants and has stepped up anti-terrorism operations across the country.
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