05/05/2013 02:22 EDT | Updated 07/05/2013 05:12 EDT

Montreal metro service resumes after outage

Service on three of Montreal's metro lines was down for about 30 minutes on Sunday afternoon.

According to the public transit corporation, service on the yellow, green and orange lines has returned to normal.

The public transit corporation reported that smoke had spread in the Berri-UQÀM metro station.

The STM has not confirmed what caused the interruption.