sentences:  The fall-out was severe, prompting calls for his resignation, especially after media reported that the burglary had led to threats of violence against civil servants.On 13 August 2008 NRC Handelsblad published an open letter by George Verberg, previous director-general of the ministry of economic affairs and responsible for the area of nuclear power.He accused Duyvendak of inciting people to terrorize his family in the eighties and claimed to have received burning rags through the letterbox and threatening phone calls in the middle of the night.