All VIA Rail trips between Ottawa and Toronto are running again following an incident at Fallowfield Station in west Ottawa Wednesday afternoon.
The rail company said just before 8 p.m. that the station had re-opened.
Buses had been arranged for an undetermined number of passengers and there was a sizeable backlog of people whose trains had been delayed since the late afternoon.
There was a large Ottawa police presence at Fallowfield station around 4 p.m., with no vehicles allowed in or out.
Police are yet to release any information about the nature of the incident.