Toronto police say a 75-year-old woman was killed Tuesday afternoon when she was struck by a transport truck and pinned underneath it.

Const. Hugh Smith told CBC News that a truck was turning right onto the southbound lanes of Weston Road from Steeles Avenue West when the female pedestrian was struck.

"She was pinned underneath the vehicle for a short period of time — approximately five minutes — before EMS could do the extraction," Smith said.

"They did try to do CPR, her vital signs were absent, so she was pronounced deceased."

Police are still investigating the circumstances of the fatal collision, but Smith said speed is not believed to have been a factor.

Cyclist struck in separate collision

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Toronto police are investigating a collision that left a cyclist with serious injuries on Tuesday afternoon. (Lucy Lopez/CBC)

The incident occurred on the same afternoon that police were investigating a vehicle collision that left a cyclist with serious injuries near the intersection of Kipling Avenue and Prince George Drive. 

Toronto police Const. Wendy Drummond tweeted that the cyclist was taken to a trauma centre.

Kipling Avenue is currently closed in both direction between Princess Margaret Drive and Firwood Crescent, as police investigate.