Gangs of the Dead

Gangs of the Dead, originally Last Rites, is a zombie survival film released in 2006, starring Enrique Almeida and Reggie Bannister.

The main plot concerns a meteorite that crashes in Los Angeles. It carries alien spores that spread across the city, transforming humans into flesheating zombies.The other story is about two rival gangs, The Lords of Crenshaw and El Diablo, who continue to fight for dominance of Los Angeles even as it falls to the zombie horde. ........

Source: Wikipedia