Comic Book Resources and Newsarama are reporting that writer and Milestone Co-Creator Dwayne McDuffie has died. No details are known at this time.
McDuffie is best known for Milestone Media, a comic book company owned by African-Americans. The best known character is Static Shock, who received an animated show in the 90's and has been recently with the Teen Titans. He also created Damage Control for Marvel Comics, a miniseries about a company which specializes in repairing the property damage caused by conflicts between superheroes and supervillains.
He was also story editor for the Justice League Unlimited cartoon and wrote several of the direct-to-DVD animated movies for DC. His most recent work was All-Star Superman which went on sale today.
According to Comic Book Resources, the last known public statement was a post to his Facebook page Sunday at 12:17 PM Pacific. He was scheduled to sign at Golden Apple Comics tomorrow evening as part of Reggie Hudlin's Reggie's World launch party.
UPDATE - Comic Book Resources has learned that McDuffie died from complications due to a surgical procedure performed Monday evening.