Moldova’s head of state Maia Sandu has warned of vote buying and electoral fraud as voters cast their ballots in a run-off presidential election on Sunday. “Thieves want to buy our votes and our country, but the power of the people is infinitely stronger than all their machinations,” the 52-year-old pro-European politician told local media when she cast her vote in the capital, Chișinău. Sandu is running for a second term, but failed to secure an absolute majority in the first round of voting a fortnight ago. The 52-year-old head of state garnered 42.45% of votes on October 20, leading the pac…