Colombia's national police chief, General Oscar Naranjo, has decided to step down because he is tired and feels it is time for a younger generation to take on the job, President Juan Manuel Santos announced.

One person has been killed in rioting over the collapse of pyramid schemes which cost investors millions, authorities in Colombia said today.

Venezuela and Ecuador have punished Colombia for killing a rebel leader in the Ecuadorian jungle by expelling its diplomats, ordering troops to the border and cracking down on trade.

POLICE say they found $19 million in cash under the floorboards of a house in Cali, Colombia, on Saturday.