Agreement could pave the way for family members to participate in upcoming 50th anniversary memorial ceremony after earlier vows to boycott over payment dispute

Ankie Spitzer, wife of murdered fencing coach Andrei Spitzer, calls on President Herzog to also stay away from 50th-anniversary event, citing German government's 'degrading' offer

Berlin willing to pay further undisclosed damages, but spokesperson for 'disappointed' victims' families says they won't attend 50th anniversary memorial unless amount increases