1 man arrested after noxious substance sprayed in Scarborough Junction area building by News Staff Last Updated Apr 5, 2021 at 10:34 pm EDT A Toronto Police cruiser is seen in an undated photo. (CITYNEWS/Dilshad Burman) Toronto police have arrested a man after he allegedly sprayed an unknown, possibly noxious substance in the hallway of a building in the Scarborough Junction area. Police were called to the building in the area of St Clair Avenue East and Birchmount Road around 6:30 p.m. for a chemical hazard. People from the building were seen lying outside and some had difficulty breathing. A TTC bus was called in to provide shelter.