Person pulled from roof during Lancaster fire

LANCASTER, Pa. (WPVI) -- Firefighters pulled a person off the roof of a burning home in Lancaster County.

The four-alarm fire damaged four homes on the 600 block of Marietta Avenue Saturday night.

When crews arrived, they found someone on the roof screaming for help.

They were able to pull that person to safety.

Five families in all are now without homes.

There is still no word on what sparked this fire.