Argo, Zero Dark Thirty and Searching for Sugar Man have scooped the top screenplay honours from the Writers Guild of America.

In addition, Searching for Sugar Man saw Malik Bendjelloul win for best documentary screenplay.

The story about the hunt for enigmatic US musician Rodriguez beat competition from The Central Park Five, The Invisible War, Mea Maxima Culpa: Silence in the House of God, We Are Legion: the Story of the Hacktivists and West of Memphis.

via Argo, Zero Dark Thirty and Searching for Sugar Man win top WGA award | News | Screen.