(CNN) Firefighters battled a blaze for a second day Saturday at historic Pocono Manor Resort and Spa in the Pocono Mountains in Pennsylvania.

The Pocono Township Fire Department got a call about 7 a.m. Friday morning about a fire at a building there, the department said on Facebook . Almost two dozen fire departments from nearby counties pitched in to help throughout the day at the sprawling century-old resort, according to CNN affiliate WBRE.

The fire was out for the most part by Saturday morning, but crews were looking for possible hot spots, CNN affiliate WFMZ reported , citing fire officials.

About 20 people were in the building when the fire started, and all made it out, WBRE reported. Responding to a post on Facebook that someone had been trapped, 12 County (PA) Fire Wire/News Page replied "all accounted for and removed."

Opened in 1902, the resort covers five square miles and is listed on the National Registry of Historic Places in its mountainous location about 100 miles north of Philadelphia, according to the resort's website.

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