Four people died in violent incidents in the north and south of Bogota in the early hours of Friday, reported Colombian radio station Caracol Radio.
A retired police major was shot five times by unknown assailants on motorcycle in Villa del Prado in the north of the city
A man, 25, was killed with a knife during a robbery in the Bosa district in the south of Bogota.
In Usme, in the southwest of the capital city, a 17-year-old and a 28-year-old were shot in an apparent settling of scores.