Tarkan Yavaş (L) was described by police sources as the "right-hand man" of Adnan Oktar.
An Istanbul regional court ruled 11 months and 20 days in prison for Turkish singer and actress Zuhal Olcay for "insulting President Recep Tayyip Erdoğan" and postponed the sentence in a hearing held on July 12.
AGERPRES special correspondent to Brussels, Belgium, Florentina Peia reports:
US President Donald Trump has cancelled all his bilateral meetings he would have on Thursday in Brussels, including with Romania's President Klaus Iohannis, according to official sources.
Adnan Oktar and Didem Ürer
Turkish televangelist Adnan Oktar has blamed the "British deep state" over his detention in Istanbul along with dozens of his followers on July 11, with several charges ranging from sexual abuse to military espionage against him.
FIFA on Monday fined Croatian national team assistant coach Ognjen Vukojevic for participating in a video posted on social media declaring support for Ukraine, which has sparked angry reactions from Russian politicians.
World football's governing body, which forbids any political statements, fined Vukojevic 15,000 Swiss francs (12,880 euros) for his involvement.