Does this look like a bomb threat?

Apparently, passengers on a U.S. Air flight thought so. A man wearing phylacteries was construed by fellow passengers to be a bomb threat. The plane was quarantined for period of time and law enforcement quickly determined that the man was not a threat to the flight.

Does this look like a bomb threat?

Mohammad Assad: I want to kill all the Jews

A man of Middle Eastern descent from Toledo, Ohio caused a disturbance  on a Northwest Airlines flight from Miami to Detroit today  when he stated that he wanted to kill all the Jews. That flight turned back to the gate and Assad was arrested. The police are treating this as a criminal matter and have charged him with disorderly conduct among other charges. They claim that this incident is not linked to terrorism. 

Mohammad Assad: I want to kill all the Jews