QUEENS, N.Y. - Three men were found dead early Friday morning as crews worked to put out a two-alarm blaze at a house in Queens.

Firefighters responded to the blaze on the first floor of the house, on Farmers Boulevard near 111th Avenue in St. Albans, around 12:15 a.m.

Officials said the victims — squatters, according to sources, who were not identified at this time — were pronounced dead at the scene.

The medical examiner is working to determine the exact causes of death.

Four firefighters who suffered minor injuries were transported to a local hospital.

The fire department got the blaze under control by 1:35 a.m.

The house was under construction or abandoned, police said.

The cause of the fire remains under investigation.