MIAMI LAKES, Fla.—Police in South Florida were investigating five deaths Friday in what they believe to be a murder-suicide.

Miami-Dade police officers responded to a Miami Lakes home Friday morning after a relative requested a welfare check because she had been unable to contact the occupants, a news release said.

After meeting with the relative, uniformed officers entered the residence through a rear window, authorities said. Inside, they found three females and two males dead from apparent gunshot wounds, officials said. The wounds of one man appeared to be self-inflicted, leading investigators to believe the case was a murder-suicide.

Police didn’t immediately release the names or ages of the deceased or a motive for the shootings.