deep condolences for David Cook

David Cook 's older brother died after a long battle with brain cancer on Saturday, 2 May 2009, according to the former "American Idol" winner's official Web site.

Adam Cook, a lawyer, was 36. He had struggled with the disease for 11 years.

"Idol" fans may remember Adam from his emotional appearance last year on the reality competition, when he watched David perform Mariah Carey 's "Always Be My Baby" in the audience. David went on to win the contest during the show's seventh season, beating out competitor David Archuleta .

Before his brother's death, David Cook has canceled two shows on his headlining tour due to fammily matters in the begining of April. The shows on his "The Declaration Tour" being canceled were scheduled for Colby-Sawyer College in New London, New Hampshire, and at Southern Connecticut State University in New Haven, Connecticut. However, fans at those respective venues may get a makeup date.

On Sunday morning, David made the announcement of his brother's death at the 12th Annual Race for Hope 5K run/walk in Washington, D.C., which benefited finding a cure for brain cancer. He served as the event's honorary chairman.

"I actually lost my brother yesterday, to a brain tumor," he told a stunned crowd in a video of the event.

We are sorry to hear that, David...

Here is the video when David announced his brother's death.