High passenger volume and four missing drive belts are what led to several people being injured on an escalator at a MARTA station, a report found.

An Atlanta City Council member is calling for a full investigation into a escalator malfunction at a MARTA station after Beyoncé‘s concert Monday night.

The report looks into the failure of an escalator at the Vine City MARTA station following a Beyoncé concert, leading to several injuries.