King Alexander and Louis Barthou, Shot Down in Streets of Marseilles by Revolutionists. Furious Spectators Batter Killer to Death As His Victims Die. Alexander Murdered - "Universal Newsreel brings you the First Actual motion pictures of the murder of King Alexander of Jugoslavia and French Foreign Minister Barthou" scenes of the King arriving on cruiser at Marseilles, ride through town, shots, mob beats the assassin, a Croatian.

This video is in the Public Domain:

http://www.archive.org/details/1934-10-17_King_Alexander_Assassination

Full URL?