This method, known as the Sterile Insect Technique, has been in use for many years to control a variety of insect populations, including fruit flies and mosquitos. It works by hatching flies in an enclosed space, and then exposing them to radiation to make them sterile before releasing them into the wild.
Vitali Klitschko tells the BBC that although unfair, it could be a temporary solution to end the fighting.
The opposition senator was hit three times during rally in Bogota and is in a critical condition in hospital.
Sgt Korbein Schultz was allegedly paid $42,000 in exchange for dozens of sensitive security data.