The Colombian army on Saturday tightened its control over Cali, the country's third largest city, after the latest anti-government protests left at least 13 people dead.

Colombian President Ivan Duque announced Friday he was deploying military troops to the city of Cali, as international alarm grows over the policing of deadly anti-government protests across the country in recent weeks.

Two Americans were detained in Venezuela on Monday on suspicion of plotting to topple President Nicolas Maduro's government, which has accused US-backed opposition leader Juan Guaido of bankrolling the scheme.

Colombians took to the streets on Tuesday to protest economic reforms and killings of civil society leaders, in the first large rallies since nationwide demonstrations late last year.

Colombians across the country took to the streets on Wednesday after the government failed to reach an agreement with the organizers of protests that have continued for two weeks.

Under-fire Colombian President Ivan Duque will meet with protest leaders on Tuesday, a minister announced, after five consecutive days of anti-government protests.

Three people were killed in events following Thursday marches across Colombia, the defense minister said, as cities woke on Friday to widespread public transportation problems

The measures "will have to be taken not only by the Amazon countries, but also by the nations in the region and the international community in general"

An early goal by Lautaro Martinez and Sergio Aguero's late second gave Argentina a 2-0 win over Qatar Sunday that qualified them for the Copa America quarter-finals.

Edinson Cisneros gasped and wheezed as he tried to talk -- he was one of the protesters struck by rubber buckshot fired by Venezuelan security forces breaking up border demos demanding the entry of emergency aid from Colombia.

Venezuelan forces on Saturday fired rubber bullets and tear gas to break up a crowd demanding to cross a closed border bridge to Colombia, AFP journalists reported.

The Colombian government on Friday blamed leftist ELN rebels for the bombing of a police training academy in Bogota that killed 20 people as well as the attacker and dealt a body blow to the peace process.