Kvitova pulls out of Qatar Open with injury

Wimbledon Open champion Petra Kvitova has pulled out of the

Qatar Ladies Open because of an unspecified injury.

The second-ranked Czech will miss the tournament that starts

Monday.

Tournament organizers say they have no information on Kvitova’s

injury.

Australian Open champion Victoria Azarenka is the top-seeded

player. The field includes defending champion Vera Zvonareva, 2011

finalist Caroline Wozniacki and U.S. Open winner Sam Stosur.