The counterweight, part of the crane designed to prevent tipping, was on top of the 8 The Esplanade apartment building after it fell about 6 meters, Toronto Chief Fire District Stephan Powell told CNN.

Authorities were made aware of the incident at the intersection of The Esplanade and Yonge Streets shortly after 2 p.m., he added.

The top six floors of the condominium are machine rooms used for building maintenance so no residential units have been damaged, Powell said.

The crane was carrying about 20,000 pounds of counterweight, which shifted causing the crane to tip over, Toronto Fire train chief Kevin Shaw told CNN news partner CTV News [caused] a bit of structural damage to the roof, but no harm to the floors below, tenants or anything and it didn’t get into any of the apartment units, “Shaw told CTV. The performing arts center Meridian Hall, which was connected to the building, was not damaged Toronto police said on Twitter

City structural engineers were on hand to assess the damage caused by the crane, Powell said, adding no casualties were reported.

CNN reached out to Del Property Management, which owns 8 The Esplanade, for a comment.