Top athletes want State to probe rising doping cases

Kipsang Wilson Kipsang of Kenya celebrates after winning the men's race in the 2014 London Marathon on The Mall in central London on April 13, 2014. Kenya's world record-holder Wilson Kipsang won the men's London Marathon in a new unofficial course record of two hours, four minutes and 27 seconds . AFP PHOTO / LEON NEAL RESTRICTED TO EDITORIAL USE

Kenya’s top marathoners want the Government to do thorough investigations into the doping issue that comes against a backdrop of Rita Jeptoo’s A-Sample positive test for Erythropoietin (EPO).

Wilson Kipsang (top), the New York City Marathon winner and immediate world record holder (2:03.23), said most athletes do not know what most of the prohibited substances are.