Metro areas across the US are nervously awaiting another night of violent protests over the death of George Floyd.<br />Floyd died as a white Minneapolis police officer knelt on his neck. The officer has since been arrested and charged with Floyd's death.<br />Reuters reports cities are hurriedly cleaning up streets strewn with broken glass and burned-out cars.<br />Curfews have had no effect in stopping confrontations between activists and law enforcement.<br />What began as peaceful protests have become a wave of outrage sweeping a politically and racially divided nation.