Authorities investigating a robbery at a house in Birmingham have found five people dead in the home.

Sgt. Johnny Williams says officers arrived at the house around 3:30 a.m. Sunday after getting a call that a robbery was in progress. He says the officers soon discovered the five victims inside the building.

The victims were not identified. Williams says police have launched a homicide investigation.
    
He said there have been no arrests or charges filed in the case.

Copyright 2012 The Associated Press.