Toronto police are investigating a pedestrian fatality involving a GO Transit train on the Lakeshore West line on Thursday morning.

GO Transit spokesperson Vanessa Thomas told CTV.ca that a pedestrian was hit on the tracks east of Mimico station, just after 8 a.m.

Thomas said the involved train had left Hamilton at 7:02 a.m and was due to arrive at Union Station at 8:13 a.m.

Service resumed in both directions along the Lakeshore West line at about 9:20 a.m., Thomas said.

Thomas said service is expected to be back to normal for the afternoon rush hour.