Police detain 4 HDP and TUAY-DER executives in Istanbul 2020-11-18 12:01:16 İSTANBUL - Four people were detained as a result of the operations carried out against HDP and TUAY-DER executives in Istanbul.   The homes of People's Democratic Party (HDP) and the Association of Solidarity with Families of Prisoners (TUAY-DER) executives were raided this morning by police in Sultanbeyli, Istanbul.   HDP Sultanbeyli district co-chair Alamettin Demir and TUAY-DER director Edip Irverdi, Metin Ibik and Abdin Kaplan were detained in the raid.