Kathryn Bigelow won the best-director battle with "Avatar"s James Cameron, her ex-husband who grew up near Niagara Falls, Ont., for her intense depiction of a bomb-disposal squad in Iraq.

"It means so much that this film seems to be touching people's hearts and minds," Bigelow said.

Bigelow also beat out Vancouver-based director Neill Blomkamp, who was nominated for District 9."

Both films had eight nominations for the British awards, considered an indicator of possible success at the Academy Awards in Los Angeles next month. "Avatar" and "The Hurt Locker" each has nine Oscar nominations.

"The Hurt Locker" also took British prizes for original screenplay cinematography, editing and sound.

"Avatar" won awards for production design and visual effects for its vivid vision of a distant moon populated by a blue-skinned species called the Na'vi.

"Hurt Locker" screenwriter Mark Boal dedicated the best-film prize to the hope of peace "and bringing the boys and girls back home."

Bigelow also paid tribute to soldiers serving in Iraq, and said the goal of the film was "putting a bit of a spotlight on a very, very difficult situation."

"I hope that in some small way this film can begin a debate ... and bring closure to this conflict," she said.

The "Avatar"/"Hurt Locker" battle initially seemed like a David-and-Goliath story. Cameron's last feature, "Titanic," won 11 Oscars, including picture and director. "Avatar" is a global phenomenon that has taken more than $2 billion at the box office.

"Hurt Locker" has made about a hundredth that much.

"It did not seem like a slam-dunk commercial proposition," said Boal, who thanked Bigelow and the cast for making "an unpopular story about an unpopular war."

Montreal-born Jason Reitman and Sheldon Turner won the Adapted Screenplay award for "Up in the Air."

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