Actor Michael K. Williams, best known for his role as Omar Little on HBOs The Wire, has died at the age of 54.

It is with deep sorrow that the family announces the passing of Emmy-nominated actor Michael Kenneth Williams, a representative for Williams told The Hollywood Reporter. They ask for your privacy while grieving this unsurmountable loss.

Williams was found dead in his Brooklyn apartment at about 2 p.m. Monday, a New York Police Department spokesperson told HuffPost. The cause of death is under investigation.