thank you very much for watching. i m wolf blizzatzer in the situation room. hello, everyone, i m don lemon. i want to get you up to speed. breaking news right off the top this hour about a deadly stage collapse in toronto. one person killed, several others injured. one seriously. it happened not long before the gates opened for a concert by the alternative rock group radio head. police say the victims were setting up the stage when the scaffolding type structure collapsed about 40 to 60 feet on the main stage. weather was good at the time that that collapse happened and no high winds were reported. the sold-out concert has been canceled. new developments in the trial of former penn state football coach jerry sandusky. a psychologist brought in by the state is expected to examine jerry sandusky tomorrow. a court order allows the defense to introduce testimony that sandusky suffers from histrionic disorder. the trial resumes on monday. in syria now, the united nations