Explosives experts in the north of the Antioquia department deactivated a bomb that had been left on a bus.
According to the army, the bus was left unmanned Monday on the road near Yarumal, a town 70 miles north of Medellin.
It took the experts since then to deactivate the bomb.
Local authorities say guerrillas of the FARC‘s 36th Front left the bus on the road.