German Bundestag vice speaker Wolfgang Kubicki may face criminal prosecution for insulting Turkish President Recep Tayyip Erdogan, Report informs referring to Spiegel.

Cologne lawyer Mustafa Kaplan sued Kubicki on behalf of Erdogan for insult and defamation. The seven-page letter arrived at the prosecutor’s office in the city of Hildesheim through the local jurisdiction.

Kaplan writes that Kubicki has acted as a lawyer in famous criminal cases for decades. Therefore, he cannot plead ignorance.

On September 27, the German ambassador in Ankara was summoned to the Turkish Foreign Ministry because of insulting statements by the vice-speaker of the Bundestag against the Turkish leader.