Via CNN. See also this statement from his mother:

“This evening I received a phone call that is every mother’s worst dream,” she said. “My son, Russell Jones, passed away. To the public, he was known as Ol’ Dirty Bastard. To me, he was known as Rusty, the kindest and most generous soul on earth. I appreciate all the support I received. Russell was more than a rapper ó he was a loving father, brother, uncle and most of all, son. With love, Cherry Jones.ì