Turkey says S-400 purchase from Russia a "done deal", can't be cancelled

ANKARA (Reuters) - Turkey's purchase of Russian S-400 missile defence systems, which has raised tensions with Washington, is a "done deal" and cannot be cancelled, Foreign Minister Mevlut Cavusoglu said on Thursday.

Speaking at a news conference on the sidelines of a visit to the United States, Cavusoglu also said Turkey's relations with Russia were not an alternative to its alliances with NATO or the European Union.

(Reporting by Tuvan Gumrukcu; editing by John Stonestreet)