Sifan Hassan of the Netherlands fired out a warning shot ahead of the Tokyo Olympics by setting a new world record in the women's 10,000m on Sunday. Hassan, 28, clocked 29min 06.82sec at the Hengelo meet, smashing the previous best set by Ethiopian Almaz Ayana (29:17.45) when winning gold at the 2016 Rio Games. kn/lp/nr