An elderly couple was slain inside their Florida home, police said.

The pair was due to meet neighbors for lunch Wednesday but never showed up, according to investigators. When the neighbors attempted to visit their friends in the Three Islands neighborhood of Hallandale Beach, Fla., a day later, they found the bodies.

Police were notified at about 6:30 p.m. on Thursday. The couple was aged in their early 70s.

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The victims were "snowbirds" who were originally from Canada but live in Florida during the winter, neighbors said.