A passenger on a transit bus in Edmonton is in critical condition after police say she fell out the vehicle91裸聊视频檚 back door.

Police say the bus was making a left turn in the city91裸聊视频檚 west end on Friday afternoon when a 63-year-old woman stood up from her seat and moved towards the rear exit.

They say she reached for and held onto a safety bar, but as the bus turned, she lost her balance and fell backwards through the door and onto the street.

91裸聊视频淧aramedics treated and transported the woman to hospital with serious injuries. Sadly, her condition rapidly declined in hospital, where she remains in critical condition,91裸聊视频� police said in a statement Sunday.

They say they are still investigating but that no Traffic Safety Act charges are pending at this time.

The Edmonton Transit Service said in a statement that it is supporting police in their investigation, and that it has also reported the incident to the province.

City spokeswoman Jennifer Badry said the exit doors of buses lock when the vehicles are in motion, but the woman fell against the glass in the door, the glass shattered and she fell through it.

91裸聊视频淚t looks like she lost her balance and fell into the glass and that91裸聊视频檚 what gave way,91裸聊视频� Badry said in an interview.

The ETS statement said the service will conduct an engineering assessment 91裸聊视频渋ncluding a root cause analysis out of an abundance of caution as rider safety remains our utmost priority.91裸聊视频�

The statement said the nine-metre-long community bus was travelling at low speed at the time and that it stopped immediately.

It said the service 91裸聊视频渆xtends its sincerest empathetic condolences91裸聊视频� to the family and friends of the rider.