Turkey's Foreign Ministry says it was informed about the vessels two weeks ago.
Two U.S. warships will pass through the Turkish Straits to be deployed in the Black Sea until May 4.
This was reported by Reuters on April 9.
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Turkey's Foreign Ministry has said it was informed about the vessels two weeks ago.
"A notice was sent to us 15 days ago via diplomatic channels that two U.S. warships would pass to the Black Sea in line with the Montreux Convention. The ships will remain in the Black Sea until May 4," the ministry said.