Police have received 168 reports of breaches of election rules and citizens' political rights since the campaign for president and vice president began, the Interior Ministry says. Of these, 143 are about vote buying.
Another 18 reports concern other violations around the vote, 6 are about illegal campaigning, and 1 is about corporate voting.
Police have opened 6 criminal cases and issued 1,226 warning notices.
They have also carried out 180 special operations across Bulgaria to prevent and stop crimes against people's political rights.