A fire involving Calgary Transit buses in northeast Calgary has killed three people and injured at least 10, according to recent reports from Global News, CBC, CTV News and other outlets. The headlines differ on the number of injured: CTV reports 19, while Global News says at least 10. The available information does not establish a confirmed final count.

Several headlines describe a crash involving two transit buses, and some report an explosion. The research provided does not include further details about what happened before the fire, the identities of those affected, or the condition of the injured. It also does not confirm the cause.

The story is trending because it is a major emergency in Calgary, with multiple deaths and injuries involving public transit vehicles. Reports from several news organizations are drawing attention to the event as details continue to emerge.

For now, the confirmed picture from the supplied headlines is limited: three people have died, at least 10 have been injured, and the incident involved a Calgary Transit bus fire in northeast Calgary. The exact number of injured and the sequence of events remain unclear in the available research.