Bryan Fischer of the American Family Association, a conservative Christian group, said Wednesday that the killing of a U.S. ambassador in Libya was an act of war that could only be remedied if the perpetrators were publicly executed.

"An attack on an embassy is an act of war, ladies and gentleman," Fischer said. "It is an act of war."

During a protest against an anti-Muslim film, militants stormed the U.S. consulate in Benghazi on Tuesday, resulting in the deaths of four Americans, including Ambassador J. Christopher Stevens. The anti-Muslim film was produced in the U.S., but the maker of the film is a mystery.

"What is Barack Obama going to do?" Fischer added. "He says we are going to make sure that justice is done. Well if it's going to be justice in Libya, justice is that every single member of the mob that killed this ambassador and the three other Americans need to be publicly hung by the neck until death."

"Until that happens, justice has not been done and I don't care how many strong adjectives Barack Obama finds to talk about it, justice will not be done until every member of the mob that killed these Americans in cold-blood is hung from the nearest bridge by the neck until death."

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