Turkey discussing S-400 working group with U.S. - minister

ANKARA (Reuters) - Turkish Foreign Minister Mevlut Cavusoglu said on Wednesday Turkey is discussing with the United States details of a working group Ankara has proposed setting up to look into the impact of its purchase of Russian S-400 missile defence systems.

Tensions have risen between Turkey and the United States over Ankara's decision to buy the S-400s, which are not compatible with NATO systems.

Cavusoglu said that stopping or postponing the delivery of the S-400s is not on the agenda.

(Reporting by Ece Toksabay; Writing by Sarah Dadouch; Editing by Dominic Evans)