Bethesda fire displaces 4 families, causes massive damage

Authorities say the blaze broke out around 3 a.m. on Sunday on the 5100 block of Dudley Lane. Authorities say a guest at a nearby hotel called to report the fire. Investigators say they believe the fire originated in a dryer vent in the apartment building's laundry room and quickly spread.

Authorities say no residents were injured in the blaze but two firefighters suffered minor injuries.