The tensions arose as some students marked the death of Tamil Tiger guerillas at small candle-lit memorials while well-produced pro-Tiger posters appeared in various parts of the formerly Tiger-held territory.
But with 39% of the vote, the right-wing Senator did not secure a large enough majority to avoid a runoff battle on June 17 with Gustavo Petro, a leftist former guerrilla, who won 25%.
The Colombian government and the South American country's largest remaining guerrilla group have resumed peace negotiations, breaking a roughly four-year hiatus during which the rebels have expanded the territory where they operate.
The Colombian government and army have for the first time apologized for the deaths of civilians at the hands of soldiers fighting guerrilla groups who'd been seeking to inflate their kill numbers.
He marched against the Vietnam war, summered at a student work camp in Cuba and trekked with Dhofari guerrillas, who were fighting the British-trained soldiers of the Sultan of Oman.
The officers died in a mountainous area of southern Peru where the remnants of Maoist shining path guerrillas and criminal groups are known to work together in the production of cocaine.
Was this Russian partisans, was this Russian hardliners, pro-war Russians, trying to exact a hardline response from the Kremlin to move up a stage in the war in Ukraine?
Their complaints include proposals by the government to raise the pension age and the slow implementation of a peace deal with the farc guerrilla group.
Getting troops in and establishing supply lines through massive mountains and narrow passes is challenging and easy for guerrilla combatants to harass and disrupt.