Medellin, Colombia - The General Assembly of the Organization of American States (OAS) met Sunday in Medellin, Colombia for its annual gathering, with the ongoing crisis between Ecuador and Colombia marking the first day of diplomatic activity.

The Ecuadorian government asked OAS Secretary General Jose Miguel Insulza to evaluate documents found in computers belonging to the late Colombian rebel leader Raul Reyes.

A cross-border raid into Ecuador by Colombian forces which killed Reyes - the second-in-command of the leftist Revolutionary Armed Forces of Colombia (FARC) - and 24 other people on March 1 has caused great tension between the two countries.

"What we want to do is to prove that we have nothing to hide," Ecuadorian Foreign Minister Maria Isabel Salvador said in Colombia's second-largest city.

Among the documents in question, Colombian authorities claim to have found reports of ties between FARC and the governments of Ecuador and Venezuela.

OAS told Deutsche Presse-Agentur dpa that the organization had not received a formal request by Ecuador to look into the material, which Interpol verified last month had not been tampered with since it was seized by Colombian officials in the controversial raid.

Insulza stressed Sunday that OAS did not intervene in the crisis so far because none of the countries involved asked the organization to get involved.

In her first visit to Colombia since the raid that led the two countries to withdraw their ambassadors in each other's territory, Salvador made attempts to appear conciliatory and stressed Ecuador's efforts to fight the drug trade and FARC in its territory.

She stressed that her country has received at least 450,000 Colombians. Of these, 15,000 are refugees and by June 2009 the minister expects the number to be 65,000.

"Ecuador cooperates in the fight against FARC, against all illegal activity, and therefore cooperates with Colombia. (Colombian President Alvaro) Uribe has acknowledged that in the past, nowadays he seems not to know about it," Salvador said.

She added that she had no plans to meet with Colombian Foreign Minister Fernando Araujo - a former hostage of FARC - while in Medellin, and noted that re-establishing diplomatic ties with Colombia is not an end in itself.

"The most important thing is that trust is restored," she noted.

The OAS General Assembly meeting is set to end Tuesday. (dpa)