Turkey's Presidential Spokesman Ibrahim Kalin and U.S. National Security Advisor H.R. McMaster held a meeting on Sunday in Istanbul, Turkish media reported.
They discussed several issues, including the long-term strategic partnership between the two countries, according to presidential sources who asked not to be named due to restriction on speaking to the media.
They exchanged views on regional developments and mutual strategic challenges.
Also, ways to develop a joint fight against all kinds of terrorism were discussed in detail.