Toronto EMS have confirmed to Newstalk1010, that 5 kids, all between the age of 11-12 have been treated and taken to Sick Kids hospital, all complaining of flu-like symptoms.

Toronto fire say three fainted and that's what prompted the emergency call around 11 o'clock this morning.

Fire officials say a hazmat team is on scene and so far haven't found anything out of the ordinary when it comes to carbon monoxide, carbon dioxide or oxygen content, so right now the source remains a mystery. 

More to come