An unstable antenna on top of the Trump tower has shut down a portion of downtown Toronto until at least noon Tuesday.

Toronto police closed the Bay St. and Adelaide St. W. area to all pedestrian and vehicle traffic after receiving a call about the swaying antenna on top of the 65-storey, 277-metre tall Trump International Tower and Hotel at 7:30 a.m. Monday.

Bay St. is closed northbound from King St. W. and southbound from Richmond St. while Adelaide St. W. is closed eastbound from York St.

The city said that Toronto Building issued an order to the property management company in charge of the tower to seek a professional engineer’s report on the safety of the antenna.

The roads will remain closed until the company responds, which probably won’t be until Tuesday, a City of Toronto spokesperson said in a release Monday afternoon.

The 6 Bay bus is diverting northbound via Yonge and Richmond streets and southbound via University, York and Harbour until the road reopens.

With files from Sean Wetselaar