A handout photograph taken and released on Dec 29, 2020 by the Russian Foreign Ministry shows Turkish Foreign Minister Mevlut Cavusoglu attending a press conference in Sochi. （RUSSIAN FOREIGN MINISTRY / AFP）

ANKARA - Ankara and Washington have started talks to form a joint working group regarding Turkey’s purchase of Russian S-400 missile defence systems and the US sanctions stemming from it, Foreign Minister Mevlut Cavusoglu said on Wednesday.

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Speaking at a news conference, Cavusoglu said the working group had not been formed yet but talks among experts had begun.

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