Millwall FC owner John Berylson has died in an accident at the age of 70, the Championship club have announced.
American businessman Berylson first became involved in the south east London club in 2006, and was an immensely popular figure with Lions supporters.
The club said: "It is with a collective broken heart and the deepest of regret that we announce the passing of our beloved owner and chairman, John Berylson.