Luka Rocco Magnotta is wanted by Canadian authorities on first-degree murder and other charges.
The porn actor is suspected of killing Jun Lin - a 33-year-old Chinese university student he dated - and posting the victim's body parts to Canadian political parties.
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Broadcaster PBS halted distribution of his nightly interview show and CBS News immediately suspended the 75-year-old.
Twenty years ago I reported from Mostar at the end of the Bosnian War. I returned to be reunited with some of the children I filmed then.
The alarm was raised shortly before 2am on Tuesday. Some 20 people reportedly exited the building before crews arrived.