MOUNT HOLLY, N.J. (CBS) –– Investigators are working to figure out what caused an overnight house fire in Burlington County.

Firefighters responded to the home in the 100 block of Shreve Street in Mt. Holly around 1:30 a.m.

They say the flames broke out in the bedroom.

One victim was brought to the hospital for smoke inhalation.

All other residents were out of the house when crews arrived.

No word yet on what caused the blaze.