The Montreal police arson unit is investigating a fire that broke out at the Journal de Montréal offices early Saturday morning.
Authorities say they were called at 4:05 a.m. on Saturday for a fire in the QMI agency building on Frontenac Street near Mont-Royal Avenue.
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Police say they found arsenic elements on the scene that led them to open up a criminal investigation.
The Montreal fire department says the damages to the building are “relatively minor.”