Unstable antenna atop Trump tower closes streets in Toronto's financial district

Police tape blocks off the Trump International Hotel and Tower in Toronto on Monday, Aug. 31, 2015. Toronto Police closed intersections close to the Trump Tower due to an unstable antenna at the top of the building.Toronto Police closed intersections close to the Trump Tower due to an unstable antenna at the top of the building. Toronto police spokeswoman Lyn Dsey said Monday three blocks around hotel and condo tower are cordoned off. (Joe O'Connal/The Canadian Press via AP) (The Associated Press)

A police officer blocks an intersection at Bay Street and King Street, near the Trump International Hotel and Tower in Toronto on Monday, Aug. 31, 2015. Toronto Police closed intersections close to the Trump Tower due to an unstable antenna at the top of the building. Toronto police spokeswoman Lyn Dsey said Monday three blocks around hotel and condo tower are cordoned off. (Joe O'Connal/The Canadian Press via AP) (The Associated Press)

The Trump Tower is shown in Toronto on Monday, Aug. 31, 2015. Toronto Police closed intersection close to the Trump Tower due to an unstable antenna at the top of the building. Toronto Police closed intersections close to the Trump Tower due to an unstable antenna at the top of the building. Toronto police spokeswoman Lyn Dsey said Monday three blocks around hotel and condo tower are cordoned off. (Joe O'Connal/The Canadian Press via AP) (The Associated Press)

Police have closed off a number of blocks in Toronto's downtown financial district because of an unstable antenna on the Trump International Hotel and Tower Toronto.

Toronto police spokeswoman Lyn Dsey said Monday three blocks around hotel and condo tower are cordoned off.

The building is in the heart of Canada's financial capital and is normally bustling with people going to work Monday morning.

It isn't clear when the streets around the building will be reopened.

The building's namesake is billionaire Republican presidential candidate Donald Trump.