BOGOTA, Oct. 17 (Xinhua) -- Three Venezuelans and two Colombians were killed in  the municipality of Betania, Antioquia department, in northwestern Colombia,  local authorities reported on Sunday.

Antioquia  Governor Anibal Gaviria denounced the incident on Twitter and stated that he is  organizing an investigation into the possible purpose behind the attack.

According  to official reports, the homicide occurred on a coffee farm, where two armed men  arrived and opened fire.

The head  of the Antioquia Police, Colonel Daniel Mazo Cardona, said that the army and  local authorities are working on identifying the perpetrators.

In  Colombia, there have been at least 76 homicides of the type this year, according  to data from the Institute for Development and Peace Studies.