More than 100 people have been killed and over 50,000 displaced in violence that has erupted in north-east Colombia, near its border with Venezuela. The scale and nature of the violence -- described by President Gustavo Petro as “war crimes” -- has prompted the government to declare “a state of internal commotion” and a “state of economic emergency”.

Media reports indicate that the violence was due to rivalry between the guerrilla group National Liberation Army (or ELN), and remnants of the Revolutionary Armed Forces of Colombia (oo FARC), and the fight apparently was over control of coca plantations and the drug trade. UN Secretary General Antonio Guterres has called for “immediate cessation of acts of violence against the civilian population”.

But the strife in Colombia is one of the longest civil wars in Latin America. What do the different parties in the conflict really want? Do they have political goals or are they fighting for control over the drugs trade? What are the options before President Petro, with regard to bringing lasting peace to his country?

We speak with Santiago Rodriguez, a Bogota-based journalist with La Silla Vacia, a Colombian news website.