Colombia's FARC guerrillas took time out Thursday from peace talks with the government and a recent spate of attacks to cheer the national football team's upset of five-time world champions Brazil.

"Congratulations to everyone because Colombia won," commander Jesus Santrich of the Revolutionary Armed Forces of Colombia (FARC) said on the sidelines of the peace negotiations, after Colombia beat Brazil 1-0 in the Copa America.

The Marxist rebels' delegation to the talks in Havana had said Wednesday they were planning to watch the evening's match -- but not with their government counterparts.

Colombia edged the favorites Brazil in a combative game that ended in a tumultuous melee, as Brazilian star Neymar received a red card for appearing to aim a headbutt at Colombian goalscorer Jeison Murillo.

Colombian striker Carlos Bacca also received a red card following the fracas.

The match left Group C of the South American championship up for grabs, with three teams tied at three points each: Brazil, Colombia and Venezuela.

Talks to end Colombia's five-decade conflict have made halting progress since they began in November 2012, but have yet to produce a final peace deal.

Fighting has intensified in recent weeks since the unravelling of a unilateral ceasefire declared by the FARC, which had been hailed as a sign of progress.

On Wednesday, authorities said the FARC had blown up a section of Colombia's second-biggest oil pipeline and killed four soldiers with land mines.