A gereral- alarm fire damaged three vacant row- homes in Lancaster City late last night. The fire originated at 423 N.Prince St. and spread to exposure buildings on side-4 in the attic area to 421 and 419 N.Prince St. A general- alarm was struck at 2314 hrs. and the fire was still oout of control an hour later.The building date back to 1909 and were going to be torn down in the coming weeks. A update on this incident will be provided later today 9/30/99.