A new designated 'prayer room' created by the STM in a Youville garage is causing friction with the workers' union.

The room, which is under a staircase, was designated for prayer after a Muslim maintenance worker requested a space to worship. It's about one metre across by six metres wide.

The STM informed the workers' union about the initiative on Wednesday. Union leader Luc St-Hilaire said it's causing a controversy.

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