Thousands marched in Lima to demand that Peru's President Pedro Pablo Kuczynski not pardon ex-strongman Alberto Fujimori, now serving a 25-year term for human rights violations.
Colombia released an "Analysis of Vulnerability and Risk" to the country from climate change, warning of devastating territory loss.
Colombia's Supreme Court nullified a prison term imposed on an indigenous leader for the detention and flogging of an army soldier who had entered his people's territory in 2008.
Even as Colombian leaders celebrated completion of the FARC disarmament process, remnant paramilitary forces carry out deadly reprisals against demobilized guerillas.
A new ruling by Colombia's top court may open the way for a resumption of glyphosate spraying to wipe out coca crops, which was suspended in 2015 due to health concerns.
Both the FARC and ELN guerillas denied responsibility for the deadly terror attack in Bogotá, but National Police had warned of an imminent provocation by right-wing paramilitaries.
An aggressive new coca-eradication campaign in Peru was met with a deadly attack on security forces by remnant Sendero Luminoso guerillas in the targeted production zone.
The latest consulta (community referendum) to reject local oil and mineral exploitation, in the Colombian town of Cumaral, was ruled binding by the country's Council of State.
After all-night negotiations with protest leaders in Colombia's Pacific port of Buenaventura, government representatives pledged to invest $517 million in local infrastructure.
Under pressure from a citizen mobilization for peace, Colombia's government is scrambling to revive the FARC disarmament and demobilization process after it nearly broke down.
Following days of protests, Colombia's largest port city of Buenaventura exploded into violence as police opened fire on demonstrators, leaving one dead and many wounded.
The FARC rebels are on "high alert" following a ruling by Colombia's Constitutional Court striking down congressional "fast track" authority for laws related to the peace process.
