One firefighter was taken to the hospital for non-fire-related injuries.
Officials say the firefighter was injured when a stairwell collapsed inside the home.
More than 100 firefighters battled a massive five-alarm fire Friday evening in Denver at an apartment building construction site about the size of a city block.
A Yeadon firefighter was injured in a hit-and-run outside the firehouse on Bailey Road Monday evening while directing traffic.
Members of the New York City Fire Department and union leaders held an emergency rally in Manhattan on Monday afternoon over the discovery of previously undisclosed records about ground zero.
Officials say garbage and debris on the sidewalk, and a couple of cars were on fire at the location before a large explosion occurred.