NEW YORK (CBSNewYork) — One person was hurt after part of a ceiling outside a residential building collapsed on the Upper East Side Saturday morning.

Officials say a portion of the ceiling in front of the Carlton Park building at 1065 Park Avenue came crashing down just before 9:30 a.m.

One person was taken to Lenox Hill Hospital with minor injuries, according to officials. The person’s age or sex was not immediately known.

The partial collapse happened in a part of a building that was under construction.

The cause of the partial collapse is under investigation as crews are on scene cleaning up the remaining mess.