Steeles Avenue West is closed between Fenmark Drive and Weston Road as Toronto and York Regional police canvass multiple scenes.
Bacterial concentration on Ward Island, Cherry, Woodbine and Bluffer’s park remain safe for swimming, City of Toronto said.
Keys, a 15-time Grammy winner, sang hits such as “Fallin’” and “Girl On Fire” as well as covers by Prince and The Eurythmics.
The league’s best players pointed to the enthusiastic response for the exhibition in May at a sold out Scotiabank Arena between Chicago and Minnesota.