Retired General Antonio Rivero released after 3 weeks in prison.

Critics dismiss the "Secure Homeland" initiative as a political charade that is sure to include human rights abuses.

'I want clearly and firmly to see that the government's policies continue after August 7, 2014', he said.

Ruled from 1976 to 1983; was serving life sentences for crimes against humanity.

Steps down from ruling caucus over scandal surrounding his expenses and how he obtained the cash to pay them.

Alberto Reyes assumes control of all federal, state, and city police forces, as well as army troops in Michoacan, one of the most violent states in the country.

Legislation opens ports to more private capital in hope of boosting economy and represents a win for President Rousseff, up for re-election next year.

Stephen Harper says the Keystone XL proposal "absolutely needs to go ahead," expressed confidence it would despite environmental concerns.

Federal police order some 200 Terena Indians to leave a former congressman's ranch in latest flashpoint of widening fight over South America's farm belt.