a large protest opposing the closure of remote indigenous communities in wa has shut down streets in melbourne .
several thousand people gathered outside the city 's main railway station flinders street at 4 pm on friday .
` enough is enough - where the justice for aboriginal people ? ' a speaker shouted to the crowd before the walk through cbd streets , flanked by police .
this comes as the queensland police service refuses to issue an indigenous officer after claims the word ` abor ' was written on his station roster by a senior sergeant , the abc reports that