Colombia

Her story illustrates just how powerful armed groups still are. Even though a ceasefire has been declared between the army and the left-wing Farc rebels, parts of the country remain lawless.

A statuesque Afro-Colombian woman wearing a bright turban and loose flowing robes hovers over her patient and gently prods his stomach.

Officials say the raids are part of a new strategy to target producers and traffickers rather than poor farmers who grow the coca plant.

The raids took place where Farc rebels have been operating. Their leaders have denied involvement in the drug trade.

Police said the labs could produce around 100 tons of cocaine a year.

"This is a structural blow to the finances of drug-trafficking," anti-drug police director General Jose Angel Mendoza told Reuters news agency.

Police in Bogota's El Dorado airport were tipped off when a drug-sniffing dog detected the narcotics hidden in 48 boxes of a 1-metric ton cargo shipment bound for a company in the Mexican state of Sinaloa. Authorities alerted their Mexican counterparts, who then found a similar amount sent a few hours earlier on a flight to Mexico City.

Colombia is the largest supplier of cocaine to the U.S. and much of the narcotic lands on American streets through Mexican drug cartels.

Maduro said during a visit to Vietnam that the conspiracy has the consent of Colombia's government. He didn't present any evidence to back the claim but said he would soon.

Maduro and his Colombian counterpart Juan Manuel Santos have been trading barbs ever since last week's expulsion of more than 1,000 Colombians living illegally in Venezuela. Maduro accuses the migrants of being behind a wave of crime and smuggling along the border.

Even as the diplomats met in this Caribbean coastal resort, motorists in the Colombian city of Cucuta complained of long gas lines as Venezuela's security offensive cuts off trade, legal and otherwise, between the two nations.

Across the border, scores of Colombians packed their belongings into suitcases and prepared for an army escort out of Venezuela, joining the estimated 1,000 of their compatriots who have already been deported.

The man known in Colombia as Dr. Death has just ended the life of his 234th patient: a middle-aged woman suffering from incurable stomach cancer.

For years, Quintana and a handful of other physicians have been performing what they consider mercy killings in a semi-clandestine state, at risk of prosecution and amid widespread rejection from other doctors and church officials.