GHAZNI, Afghanistan (AFP) - Security forces killed a Taliban commander involved in the July kidnapping of 23 South Koreans, officials said Tuesday, as around 40 other rebels were reported killed in fresh fighting. ADVERTISEMENT The commander, Mullah Mateen, and 15 other insurgents died in an Afghan and US-led coalition operation that started late Monday in the central province of Ghazni and lasted several hours, they said. Mateen was a "key person" in the abduction of the group of Christian aid workers, two of whom were killed before the remainder were freed late last week, Ghazni police chief Alishah Ahmadzai said....