Film on US school massacres, "Elephant", wins Palme d'Or at Cannes.

(From Agence France Presse)

"Elephant", a look at a school massacre very similar to the Columbine high shootings, won US director Gus Van Sant the Cannes film festival's top prize, the Palme d'Or, at a glittering ceremony Sunday.

Van Sant, who was previously best known for making "Good Will Hunting", also received the Best Director prize for the film, a documentary-style fiction that follows school students in the hours leading up to the fateful finale.

The awards were seen as something of an upset, knocking aside the two films that had been at the top of almost every reviewer's list: "Dogville" by Danish director Lars von Trier, and "The …