The "Justice and Development Party" is the largest political party in Turkey. It was forged in 2001 by the merger of several conservative, islamist and nationalist parties.
There has been controversy in Turkey over whether the party is committed to the secular principles enshrined in the constitution - despite their Islamist origins. Here you can find a compilation of all DW content referring to the AKP.
Ankara's mayor, Melih Gokcek, has stepped down, becoming the sixth mayor to resign as Turkey's Erdogan purges his party's ranks. Erdogan appears to be worried about a string of elections in 2019.
Germany's president has spoken approvingly of government statements against Turkey. The foreign minister has assured the nearly 3 million people of Turkish heritage in Germany that the tough stance does not affect them.
Turkey's ruling Justice and Development Party (AKP) faces growing allegations it's protecting Gulen supporters within its ranks. The opposition is pressuring Recep Tayyip Erdogan to expose the political arm of the group.