James Blake is a retired U.S. tennis player who was once ranked as high as No. 4 in the world.
At the moment, however, he is making headlines as the owner of the $1.5-million
Blake's agent, Carlos Fleming, told the Associated Press that Blake was not in Florida at the time of the fire. He had no further comment.
Blake had been renting the house to a family with the last name of Campbell, according to
The identities of the fire victims won't be known until preliminary autopsies have been completed, but the Campbells could not be located Wednesday, officials said.
Authorities said the fire was intentionally set, and Lusczynski said that murder-suicide is a possibility. She described the fire as unusual, noting that there were "various fireworks" throughout the home.