"We, as Turkey, will not give up on common sense at a time when regional and global tensions have been rising", said Prime Minister Binali Yildirim in a speech to provincial governors in Ankara.
"In order to minimise the number of visitors to our diplomatic and consular missions in the USA while this assessment proceeds, effective immediately we have suspended all visa services regarding the U.S. citizens at our diplomatic and consular missions", it added. It said the measures would apply to e-Visas, visas issued at borders and visas in passports.
He said the embassy had been unable to learn the reasons for the arrest of a Turkish staff member last week and or what evidence exists against the employee.
On Sunday, the U.S. Embassy in Ankara announced it had suspended non-immigrant visa services at all diplomatic facilities in Turkey. Turkey considers them a terror group and an extension of the Kurdistan Workers' Party or PKK, which has waged an insurgency within Turkey's borders for more than 30 years.
On Monday, Turkish President Recep Tayyip Erdogan paid a visit to Ukraine, held a meeting with Poroshenko and participated in the sixth meeting of the Turkey-Ukraine High Level Strategic Council, co-chaired by the two leaders.
An infamous brawl during Turkish President Recep Tayyip Erdogan's visit to DC in May led to an indictment charging 19 people, including 15 Turkish security officials, of conspiracy to commit a crime of violence.
Erdogan said that "a lot of work" had to be done to achieve this goal, in particular, it was necessary to reach the final stage of the signing of the free trade agreement and switch to its practical implementation.