Watch the trailer for this summer's N.W.A biopic

The trailer for the upcoming N.W.A biopic has been unveiled after being shown at the Grammys.

Straight Outta Compton will hit screens on August 14, following the Compton group's beginnings through to warnings from the United States federal government.

Before the official trailer begins, Ice Cube and Dr Dre talk about the effect N.W.A had on society and hip hop, with brief appearances from The Game and Kendrick Lamar.

Directed by F. Gary Gray ( The Italian Job, Law Abiding Citizen), Ice Cube's portrayed by his son, O'Shea Jackson Jr., while Paul Giamatti (Saving Private Ryan, The Illusionist) also stars.

Watch the trailer below.