A female pedestrian was killed Wednesday morning in a collision downtown, according to Toronto police.

Emergency crews were called to the intersection of Queen Street East and Victoria Street around 9 a.m.

Police say they found a woman unconscious and not breathing.

The victim was rushed to hospital, where she was pronounced dead, Toronto police spokesperson Katrina Arrogante told CBC Toronto.

Police are asking anybody with video of the incident to come forward. (Martin Trainor/CBC)

Investigators believe the victim was hit by a truck travelling southbound on Victoria Street, Sgt. Brett Moore told reporters at the scene. The driver remained at the scene and is co-operating with police, Moore added.

The collision happened around 9 a.m. Wednesday morning. (Martin Trainor/CBC)

A message posted by Moore to the Toronto police traffic services Twitter account late Wednesday afternoon said investigators are still trying to identify the victim.

He asked anybody with video of the incident to come forward.

The death marks the 25th fatal collision in the city this year, Moore said.