Greater Sudbury Police are dealing with a serious collision Tuesday evening at the intersection of Big Nickel Mine Road.

The crash took place at the corner of Elm Street and Lasalle Boulevard and involves "serious injuries," police said.

"Motorists travelling on the Lasalle extension towards Elm Street will have to continue on Elm, towards Azilda," police tweeted. "Officers are present re-routing traffic. The roadway will be shut down for a three-vehicle collision involving serious injuries. Please avoid the area."

This story will be updated as more information comes available.