Afghan government, military and security officials watch the destruction of a large amount of confiscated opium in Herat, Afghanistan. The narcotics were confiscated by security forces in raids over the past three months. Afghanistan is responsible for producing 90 percent of the world's opium, which is the main ingredient used to make heroin. Afghan President Hamid Karzai described a recent drugs raid on major heroin and opium production facilities by US and Russian forces as "a violation of sovereignity," despite the fact that Afghan anti-narcotics forces were also involved.