GLASSPORT, Pa. --

Firefighters spent Friday morning battling a blaze in Glassport, and a fire marshal ruled the flames were set on purpose.

It started around 3:30 a.m. at a pile of railroad ties near Third Street and Oak Street.

Police spotted the fire. They said as many as 1,000 railroad ties burned in the fire.

A firefighter took pictures of the blaze and gave them to Channel 11 news.

No one was hurt fighting the fire.

Copyright 2009 by WPXI.com. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.