A fire tore through a Queens apartment this morning – killing one and injuring three others, authorities said.

The blaze broke out around 5:10 a.m. in the building at 182-30 Wexford Terr. in Jamaica Estates, the FDNY said.

Firefighters found one man, in his 50’s or 60’s, dead inside the charred apartment and pulled out another victim who was in serious condition, the FDNY said.

The fire is believed to have started from someone smoking, a law enforcement source said.

The seriously injured victim was taken to New York Hospital of Queens.

There was also a third victim with minor injuries who refused medical attention, as well as a firefighter with minor injuries who was taken to Queens General Hospital, the FDNY said.

Firefighters placed the fire under control at 5:55 a.m., the FDNY said.