Ruling party candidate Danilo Medina claimed victory on Monday in the Dominican Republic's hotly disputed presidential election, avenging his defeat 12 years ago by opposition candidate Hipolito Mejia.
Mexican soldiers have arrested an alleged perpetrator of the massacre of 49 people whose corpses were decapitated, dismembered and dumped on a highway last week.
Peruvian President Ollanta Humala's approval rating fell to 51 percent in May due to public outrage over deadly clashes between security forces and Shining Path rebels, an Ipsos Apoyo poll showed.
Thousands of demonstrators protested in Mexico City on Saturday against opposition presidential candidate Enrique Pena Nieto, who is far ahead in polls and poised to lead the party that ruled Mexico for much of the 20th century back to power.
Venezuelan President Hugo Chávez ended a weeklong silence after his latest cancer treatment with a call to state television, singing a folk song and vowing to deepen his self-styled socialist "revolution."