A martial arts bout in Afghanistan was billed as a bare-knuckle duel for supremacy, but it has become a lightning rod for long-simmering ethnic rivalries that threaten to tear the country apart.

A fighter has come clean amid concerns that he threw a fight in Afghanistan last Thursday. On Feb. 11 at the Ghazi Stadium in Kabul, Afghanistan, the 11th event of Truly Grand Fighting Championship ...

Ahmad Wali Hotak, a Pashtun, last month threw down the gauntlet to his longtime Tajik rival Baaz Mohammad Mubariz on Facebook, in what was expected to be an electrifying contest between two of ...