By Steve Beck

PHILADELPHIA (CBS) — A construction worker was injured after he became trapped in a trench in Northeast Philadelphia Thursday morning.

READ MORE: 4 People Killed, 2 Possibly Unaccounted For In Pottstown House Explosion, Officials Say

The incident happened at about 9:40 a.m. at the intersection of Summerdale Avenue and Emerson Street.

According to authorities, the 49-year-old man was working inside the trench when dirt caved in, trapping him.

Emergency crews responded to the scene and worked to free the man. He was eventually freed and taken to Aria Health Torresdale Hospital where he is listed in stable condition.

READ MORE: CBS3 Mysteries: Suspect Behind Bars In Connection To 2021 Camden Murder Of Darnell Farrish

The identity of the worker was not immediately known.

The type of construction project is unknown at this time.

Representatives with Occupational Safety and Health Administration (OSHA) are involved in the investigation.

MORE NEWS: Aaron Nola Pitches Shutout Ball Into 9th, Phillies Beat Braves 4-1

The incident remains under investigation.