Phone Booth, starring Colin Farrell as a man trapped in a phone booth by a sniper, rang up $15 million in ticket sales to debut as the weekend's No. 1 film.

The teen flick What a Girl Wants, starring Amanda Bynes, opened in second place with $12.1 million.

Vin Diesel's action tale A Man Apart premiered at No. 3 with $11.2 million.

Last weekend's top movie, Head of State, fell to fourth place with $8.8 million.

Hollywood remained in a box office slump, with the top 12 movies grossing $84 million, down 10% from the same weekend a year ago. It was the fourth straight weekend that revenues declined, and the box office so far is down about 7% compared to last year. Can you say war?

Studio executives say the war in Iraq might be dampening the moviegoing mood.

The box office should heat up this coming weekend, when the Adam Sandler and Jack Nicholson comedy Anger Management opens. Coming a few weeks later is the X-Men sequel X2, followed by The Matrix Reloaded, the middle chapter of Keanu Reeves' sci-fi saga.

Phone Booth was originally was set for release last November, but it was put on hold because of the sniper attacks around Washington, D.C., that killed 13 people.

Eddie Griffin's stand-up comedy concert movie DysFunKtional Family opened with $1.1 million in 602 theaters for a weak average of $1,827 a cinema, compared with $6,056 in 2,481 theaters for Phone Booth. Meanwhile, in limited release, Nick Nolte's casino-heist caper The Good Thief, directed by Neil Jordan, opened strongly in nine theaters with $137,626 for a $15,292 average.