Analysis of information sources in references of the Wikipedia article "Assault on Precinct 13 (1976 film)" in English language version.
That movie had ushered in a new genre—the urban horror flick—which would come to include films like Daniel Petrie's 1981 remake of the 1948 John Wayne vehicle Fort Apache, called Fort Apache: The Bronx. Instead of Indian braves, Zulu warriors or graveyard zombies, Assault on Precinct 13's heroes defended themselves in a desolate police station against marauding waves of dark, heavily armed gang members seeking revenge for their cop-killed brothers.