Officials said it was only a matter of time before the hippos hurt someone Colombian bounty hunters have shot and killed one of three hippopotamuses which escaped from a private zoo owned by former drugs baron Pablo Escobar. The African-born hippos broke out of the zoo, called Napoles, in 2006 and thrived in the nearby Magdalena valley. But officials said they were a threat to people and crops, and that all three would have to be destroyed. Escobar, once one of the world’s richest men,