CHP, DEM MPs protest trustees during Interior Minister's speech in Parliament / Mayors from CHP issue joint statement after government's recent crackdown / Turkey probes CHP leader Ozel for criticizing top prosecutor / Former CHP leader Kilicdaroglu faces another lawsuit over his testimony / CHP to continue vigil against trustee appointment in Istanbul / CHP municipalities reveal extravagant event spending by former AKP mayors amid investigations / CHP mayor replaced with trustee following arrest over PKK links / CHP MP demands leadership congress because of 'normalization' policies, stirs party / CHP Istanbul district mayor arrested over terror links / CHP faces divide after terror-related arrest of mayor