Prime Minister Justin Trudeau is among those expected to attend the service, which follows a public visitation that took place on Sunday for the 18-year-old.
According to Trudeau’s official itinerary, the Prime Minister is expected to attend a private event this morning, followed by laying flowers at a fountain at the Alexander the Great Parkette.
Fallon is among the two people killed and 13 injured in the Danforth shooting after a 29-year-old gunman began firing shots at pedestrians and restaurant-goers around 10 pm on Danforth Avenue.
Ten-year-old Julianna Kozis was also killed in the shooting.
Police say the gunman was found dead with a gunshot wound nearby after exchanging fire with officers.