One person is dead and two others are injured after they got hit by a REM train on Montreal's South Shore.

Longueuil police said they received a call at around 3 a.m. on Saturday, at a time when no scheduled trains were running.

Police confirmed three young adults were struck by a REM train near the Du Quartier stop. Two of them are still being treated for serious and possibly life-threatening injuries.

The REM communications department told Radio-Canada the incident occurred after "an intrusion onto the tracks."

An emergency response has forced service to be suspended between Du Quartier and Brossard stations in both directions, according to the REM website on Saturday. A shuttle service has been put in place.

Provincial police are now investigating.

Service is suspended between Du

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