An elderly man and woman were found dead Sunday — both slashed in the neck inside a Brooklyn apartment, cops said. Police responded to a 911 call around 4:30 p.m., finding Roosevelt Simmons, 91,

The victims, a 91-year-old man and a 66-year-old woman, were discovered brutally killed inside a two-story home at 186 Warwick St. in Cypress Hills at around 4:30 p.m. Sunday.

A neighbor made the grisly discovery 6:30 p.m. Wednesday upon checking on the woman inside the fourth-floor unit on Flatlands Avenue near Elton Street in East New York, police said.

A man and a woman were found stabbed to death in an apartment in Cypress Hills Sunday afternoon, according to the NYPD. Police received a 911 call at around 4:30 p.m. and responded to 186 Warwick Street.