A crowd of people has begun gathering in front of Parliament House in Sydney to protest perceived police brutality following the shooting of two indigenous teens in a stolen car over the weekend.

In the pouring rain, about 150 people have so far squashed onto the pavement in Macquarie Street and spilled on to the road, including young Aboriginal people.

Making themselves heard ... the protesters have gathered in front of Parliament House. Credit:Saffron Howden

Ray Jackson, who organised the rally, has begun addressing the crowd, describing "idiot police" who shot into the stolen car carrying six youngsters in Kings Cross on Saturday morning.

Two teens, aged 14 and 17, were hit after the car was driven onto the footpath.