"Turkish Government can NOT present any single piece of evidence of my wrongdoing," Kanter responded to the news on Twitter.
Russian media have worked to promote tensions between Turkey and NATO, encouraged Ankara to support Russian actions in Eurasia and the Middle East and influenced the country's internal political development to transform it into a "more compliant partner."
Andrew Brunson, a U.S. citizen from North Carolina, was arrested in Turkey in the wake of the 2016 attempted coup against Turkish President Recep Tayyip Erdogan.
At the White House meeting, Trump lauded Erdogan as an important ally in the "fight against terrorism."
The department said the situation with U.S.-based cleric Fethullah Gulen had no bearing on the assassination.
Fethullah Gulen called Ambassador Karlov's killing a "heinous act of terror".
Washington's decision not to extradite exiled cleric Fethullah Gulen has strained relations with Ankara.
More than 110,000 have been removed from their jobs and 37,000 arrested since President Erdogan began his crackdown.
Number 1: How did Erdoğan, born into poverty, become a billionaire?
Opponents fear the president is eliminating all dissent in the wake of a failed coup attempt.
Turkey and NATO need each other, and the U.S. has to make that clear.
Tens of thousands of people have been detained or arrested since the failed coup in July.
Turkish president has been accused of using the failed coup to consolidate power as thousands are arrested in crackdown.
The U.S. is evaluating documents sent by Turkey to push for the extradition of Gulen, the alleged mastermind of the country's recent failed coup.
The Turkish president said ISIS is "in joint action" with other militants.
The Turkish ambassador says that 17 schools in Nigeria are linked to Fethullah Gulen.
Fethullah Gulen has been accused by Turkish president Erdogan of helping to inspire the foiled uprising.
President Recep Tayyip Erdogan suggested that his old foe was behind an attempted coup on Saturday.