The Transportation Safety Board of Canada is investigating after a four-year-old child was hit and killed by a GO train in Mississauga.
The agency says it has sent an investigator after yesterday's fatality, saying it's gathering information and assessing what happened.
Peel Regional Police have said a child was hit by a GO train last night and pronounced dead at the scene.
The force says officers are investigating.
Metrolinx, the provincial agency that manages GO Transit, says it is helping with the investigation, including with questions regarding protections around rail lines.
Crews have been seen installing fencing near the tracks where the child was hit and killed.
Metrolinx also says it is providing grief counsellors to crew and staff investigating the scene.