A fired IHOP worker was arrested in the stabbing murder of his ex-colleague in a barbaric clash in the Brooklyn eatery’s restroom, cops and sources said Monday.

Wilber Salazar Rios, 44, was arrested Sunday and charged with murder, assault and criminal possession of a weapon in the late Friday slaying of Hector Reinoso Perez at East New York IHOP on Flatlands Avenue near Louisiana Avenue, police said.

Salazar Rios, of Hempstead, Nassau County, was chatting with the victim, as well as his former manager inside the eatery before things turned violent, law enforcement sources said.

Brooklyn IHOP employee Hector Reinoso-Perez, 67, was stabbed to death when a former co-worker flew into a rage late Friday, cops and sources said. Obtained by the NY Post

All three dispersed and Reinoso Perez

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