CTV Ottawa just reported that Chief Bordeleau just said something has led us to detain the female driver of the bus for further questioning. Seems she might have been arrested.

https://ottawa.ctvnews.ca/three-dead-23-injured-in-serious-bus-crash-at-westboro-station-1.4250207

Sauce

https://twitter.com/EuphoriaStorm/status/1083883442071396352