By CBSBoston.com Staff

BOSTON (CBS) – The MBTA is investigating what caused a chunk of metal to fall from the stairs at the Savin Hill station. A WBZ-TV viewer shared photos of the damage, saying it nearly hit a rider at the station.

A piece of metal fell from the stairs at Savin Hill MBTA station (Image credit @ShamusJP)

The MBTA said the metal came from a panel under one of the concrete steps. Other panels were inspected at the station and minor repairs were made.

Engineers said the stairway is safe and structurally sound, but they do not know what caused the panel to fall.

CBSBoston.com Staff