A 17-year-old boy and an 18-year-old man are in critical condition after tampering with an electric circuit breaker in a vacant building in Montreal.
Montreal Police say they were called to the building on Faillon Street, near Drolet Street in the Villeray-Saint-Michel-Parc-Extension borough, around 5:20 p.m. Saturday following the sounds of an explosion.

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The two young men were found badly hurt and taken to hospital in critical condition.
A 16-year-old-girl and a 19-year-old man were unhurt and were arrested at the scene for break and enter.
Police spokesperson Const. Caroline Chèvrefils says the teens allegedly broke into the building intending to steal things inside.
The two suspects who weren’t hurt were released from custody on a promise to appear in court at a later date.
– With files from the Canadian Press
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