Short Profile of Paraguayan politician Paraguayo Cubas. Paraguayo "Payo" Cubas who alleged major fraud in last week's presidential election was arrested Friday for "disturbing public order," according to police. The opposition leader had denounced alleged irregularities in Sunday's poll, which was won by right-wing candidate Santiago Pena with 42 percent of the vote, followed by center-left challenger Efrain Alegre with 27 percent. SHORT PROFILE OF Paraguayan politician Paraguayo Cubas