Latin America-Europe leaders make pledges

But despite persisting policy differences, participants seemed to overcome sharper political feuds, such as that brewing between Venezuela and Colombia.

Interpol on Thursday confirmed the integrity of computer files, seized from a rebel camp, that suggest Venezuela has armed and financed Colombian guerrillas -discrediting Chavez's assertions that Colombia had faked them.

The findings boost pressure on Venezuela's anti-U.S. president to explain his ties to the Revolutionary Armed Forces of Colombia, or FARC, Latin America's most powerful rebel army.

Chavez on Thursday dismissed Interpol's report as "ridiculous." He denied arming or funding the guerrillas -though he openly sympathizes with them -and threatened Thursday to scale back economic ties with Colombia.

"One of the big problems we have (on the continent) is the government of Colombia," Chavez said in brief remarks during a break at the summit. "The show, the lies, the manipulation. The relations with paramilitary groups and drug trafficking. There are grave problems in Colombia."

He called Colombian President Alvaro Uribe "a promoter of disunion" -saying Uribe did "not fit in" in a region where the leaders of Venezuela, Argentina, Chile, Uruguay, Bolivia and Paraguay "are a brotherhood."

Uribe told a Lima radio station that he had no problems with Venezuela or Ecuador, and felt "the greatest affection, the greatest respect" for both.

"The only thing we ask is that no one give shelter to terrorists," he said, noting that his greatest problem is dealing with the FARC, a guerrilla movement that has existed for more than 40 years.

Colombia's March 1 attack on a FARC camp where the computer files were discovered prompted Ecuador's Rafael Correa, an ally of Chavez, to sever diplomatic relations with Colombia and to denounce the computer documents, which indicated that his government also had dealings with the FARC.

Ecuadorean Justice Minister Gusto Jalkh insisted Friday that the computer files "cannot have credibility" because they had been mishandled.