Turkey has warned its citizens visiting Germany to "be careful" and guard against "far-right and racist propaganda", prompting an angry reaction from Chancellor Angela Merkel and other senior German politicians.
Ties between Turkey and European states have been strained since the defeated coup attempt in Turkey previous year as Ankara accused European countries of failing to show strong solidarity with the Turkish Government against the attempted military takeover.
Ankara claimed there was "discrimination" against Turks "on the basis of their political views", which has led to "verbal attacks against some of our citizens".
"Germany holds a general election this month".
Also arriving at the meeting was Peter Szijjarto, Hungarian foreign minister, who said it should be "a core interest of the European Union to be able to put together some strategic type of partnership with Turkey".
The ministry repeated its allegation that Germany was harboring terror groups, including outlawed Kurdish militants and the network of USA -based cleric Fethullah Gulen, which Turkey blames for last summer's failed coup.
But a number of European Union ministers urged a more measured response than Merkel suggested, warning against rushing into hasty action against Turkey, which is an important member of North Atlantic Treaty Organisation and a key partner for Europe in tackling the migrant crisis.
Terrorists "walk freely on the streets" of Germany, the Turkish Foreign Ministry alleged.
Citizens should "act restrained in the face of probable xenophobic and racist treatment" and stay away from political meetings or events organized by "terrorist organizations", which Turkey says are condoned by the German government.
"We expressly welcome the fact that this visit could take place", German foreign ministry spokesman Martin Schaefer said earlier on Friday.
About 3 million people of Turkish origin live in Germany.
Cem Özdemir, one of the two top Greens party candidates, addressed Turkish President Recep Tayyip Erdogan in a message on Twitter, writing: "No, Erdogan, Germany is not anti-Turkish".
Furthermore, Erdogan said some European leaders displayed Nazi-like behaviour after his ministers were barred from campaigning in some cities.
About 50,000 people have been jailed and about 150,000 have lost their jobs as a result of a crackdown following the coup, while scores of news outlets have been shut down. The move has angered Ankara, which has accused German politicians of pandering to "populism".