A woman died Thursday after a fire broke out at a townhouse in Montgomery County, officials said.

There were no immediate details as to the cause of the fire, and the woman was not identified pending the notification of family.

The blaze broke out around 3:25 a.m. in the 1200 block of Birdseye Terrace in Germantown.

About 50 firefighters worked to put out the blaze at the home. The woman was found dead inside the home on the second floor, according to police and fire officials.

The fire remains under investigation.