LONDON — Former 400-meter world champion Amantle Montsho of Botswana has been banned for two years for doping after testing positive for the stimulant methylhexaneamine at last year's Commonwealth Games. Montsho's ban was decided on by a disciplinary committee at the end of last month, Botswana Athletics Association President Moses Bantsi said Wednesday. The decision was sent to the IAAF before being made public, Bantsi said in a phone interview with the Associated Press. The 31-year-old Montsho, the 2011 world champion, has indicated she will appeal. — AP