07/28/2015 03:22 EDT | Updated 07/28/2016 05:59 EDT

Montreal police discover marijuana grow-op at site of Côte-St-Luc fire

Montreal police have arrested two people after a marijuana grow-op was discovered at the site of an apartment fire in Côte-St-Luc.

Police say the fire broke out shortly before 12 p.m. on Mackle Road near Cavendish Boulevard.

Officers found a marijuana grow-op inside one of the apartment units. 

The two tenants — a 29-year-old man and a 56-year-old woman — are being questioned by police. 

Residents were treated on the scene but no one was seriously injured. 

The police's arson squad is trying to determine the cause of the fire.