Firefighters are battling a three-alarm fire at a duplex in Braddock, Allegheny County, on Friday night.An Eastern Regional Mon Valley police officer said the two-story home on Elm Street was engulfed when first responders arrived at about 7 p.m.The officer said emergency responders were searching for a man who was seen exiting his apartment and then going back inside.The building is located on a narrow alley near 2nd Street and Holland Avenue.The county fire marshal is also at the scene.This is a developing story. Stay with Pittsburgh’s Action News 4 for updates. Download the WTAE app to stay connected with breaking news. Sign up for our email newsletters to get breaking news in your inbox.

BRADDOCK, Pa. —

Firefighters are battling a three-alarm fire at a duplex in Braddock, Allegheny County, on Friday night.

An Eastern Regional Mon Valley police officer said the two-story home on Elm Street was engulfed when first responders arrived at about 7 p.m.

The officer said emergency responders were searching for a man who was seen exiting his apartment and then going back inside.

The building is located on a narrow alley near 2nd Street and Holland Avenue.

The county fire marshal is also at the scene.

This is a developing story. Stay with Pittsburgh’s Action News 4 for updates.

Download the WTAE app to stay connected with breaking news. Sign up for our email newsletters to get breaking news in your inbox.