Sad news coming out of the New Orleans set of the new HBO series 'Treme': writer and producer David Mills collapsed Tuesday on the set and later passed away at a local hospital. According to the Times-Picayune site, Mills had a brain aneurysm.

Mills was head writer and producer on the show, which is about how a group of people of New Orleans rebuild their lives after Hurricane Katrina. Mills won two Emmys for his writing and producing on the HBO miniseries 'The Corner' and wrote for several other shows as well, including 'ER,' 'Homicide: Life on the Street,' 'Kingpin,' 'NYPD Blue,' and was a story editor on the CBS drama 'Picket Fences.' He also wrote for several newspapers, including The Wall Street Journal and The Washington Post.

'Treme' premieres on April 11.