Horseracing authorities are looking into footage of a man climbing on to the back of a dead horse at a gallops.The video circulating on social media shows a man mount the animal while some of…

Mercedes unveil Hamiltons 2021 F1 car
Mercedes have won every F1 title since 2014The Mercedes in which Lewis Hamilton will bid for an eighth drivers' title has retained the team's black anti-racism livery for a second season.The new Mercedes W12 is…