Two people, including a teenage girl, have been killed after gunfire broke out at a barbecue in Toronto, Canadian police have said. At least 21 others were injured when shots were fired in a crowd of about 200 people late on Monday.
Police suspect more than one shooter was involved in the confrontation, the cause of which is unknown. City Police Chief Bill Blair said it was the most serious crime of its kind to have taken place in the city. Of those injured, 20 had gunshot wounds and one person was trampled.