Created: 7/17/2009 8:10:49 AM 
MARSEILLE, France (AP) -- The Marseille hospital authority says a second person has died after the roof of a stage being built for a Madonna concert collapsed.
The hospital authority says the British worker died Friday from injuries suffered in the accident.
A French worker was killed immediately when the roof fell apart on top of several workers Thursday.
Eight others were injured, including an American who is in serious condition.
None of the victims' identities has been released.
Madonna canceled her scheduled performance Sunday in this Mediterranean port city after the accident.
The cause of the roof collapse was not clear. Police say a faulty power winch may have played a role.
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