Former Prime Minister and current leader of opposition GERB party, Boyko Borissov, has been summoned for questioning by the prosecutor's office at the beginning of next week, BNT learned on March 24.
The leader of GERB will be questioned in pre-trial proceedings for the allegations by gambling businessman, Vassil Bozhkov, that he was blackmailed.
According to BNT sources, other persons who were questioned as witnesses by investigating police officers late last week have already been summoned.