The ongoing project ranges from new or upgraded premium areas to revamped, enlarged concourses that use cutting-edge technology to accelerate food and drink purchases.

The police force said Tuesday that its "sensitive and international investigations" unit is leading the investigation.

Early works are expected to start in November, with full construction beginning early next year.

A worker was fatally injured during the erection of retaining walls at a construction site for a four-storey apartment building. 

Canadian cities are looking to become "sponges" in order to help mitigate some of the effects of extreme rainfall events.