The gesture is a symbol of support for the Black Lives Matter movement and the struggle for racial equality.Britain's Norris, 20, said: "If we are going to do it, we should all do it as a grid."We will do whatever we can to show we care and respect everyone. We will do what is right when the time comes."World champion Lewis Hamilton has increased his interventions on the subject of racial equality since the issue was brought to the fore by global protests following the death of African American