One person is dead following a serious collision in downtown Winnipeg.

At around 7:30 a.m. Friday, emergency crews were called to a collision involving a Winnipeg Transit bus and a pedestrian near the intersection of Portage Avenue and Colony Street. 

The pedestrian, an adult female, was transported to hospital in critical condition but has since succumbed to her injuries. 

This investigation is continuing by members of the Traffic Division.

Portage Avenue is down to one lane Westbound between Vaughn Street and Colony Street while police investigate.

There is no word as to how long the road closure will last.