12/13/2013 08:39 EST | Updated 02/12/2014 05:59 EST

Queen Subway Shooting Leaves Man In Life-Threatening Condition

David Cooper via Getty Images
TTC Subway Train arrives in the Queen St Station North Bound with a driver. TTC discussing plans for driverless trains. (Photo by David Cooper/Toronto Star via Getty Images)

A man in his 20s has been rushed to hospital in life-threatening condition after a shooting at Queen subway station in downtown Toronto.

Toronto EMS said the man was taken to St. Michael's Hospital with a gunshot wound.

The shooting happened at approximately 8 p.m.

Toronto police said the Ontario Special Investigations Unit (SIU) has invoked its mandate.

The SIU is called in whenever police officers are involved in incidents in which someone has been seriously injured, dies or alleges sexual assault.

Subway service has been halted between Union and Bloor stations.