Colombia extradited a former paramilitary chief, implicated in thousands of murders, to the U.S. on drugs charges.
Chile's Chaiten Volcano spewed a vast cloud of ash Thursday in what appeared to be a partial collapse of its cone.
Venezuelan President Hugo Chavez's referendum win puts him closer to his goal of ruling for another decade or more.
At least three officers and four civilians were killed when a police patrol was ambushed by an armed group.
The U.N. refugee agency said that Colombia should investigate the killings of a group of indigenous people.
Battered by military setbacks, Colombia's FARC rebels are freeing hostages in an attempt to gain political ground.
Colombia's FARC rebels freed a former politician held hostage for more than seven years.
Venezuela's Pres. Chavez is firing up voters before a referendum on his ambition to rule the country indefinitely.
Bolivia's president wants to change the constitution so he can run for another term in office.
Venezuelans vote next month in a referendum that would allow Pres. Hugo Chavez to govern for as long as he wins elections.