BERLIN (AP) The German city of Frankfurt's tactical police unit is being disbanded amid an investigation of some members' suspected participation in a chat group where far-right messages were exchanged, authorities said Thursday. The decision by Hesse's state government came a day after the homes and workplaces of six officers were searched and the city police force said the unit was being restructured. Hesse's top security official, Peter Beuth, said officials decided that a fundamental new