Peru's presidential candidate Ollanta Humala speaks during a press conference at a local radio station in Lima, June 3, 2011. Peru's presidential race tightened further on Thursday, with one poll showing left-wing Ollanta Humala moving into first place and another saying right-wing Keiko Fujimori was widening her lead before Sunday's run-off election. REUTERS/Pilar Olivares(PERU - Tags: POLITICS)