THUNDER BAY -- A 34-year-old woman found unconscious on the Pacific Ave. Bridge was pronounced dead in hospital on Friday night. Emergency services responded to a passerby's call at 10 p.m..

THUNDER BAY -- A 34-year-old woman found unconscious on the Pacific Ave. Bridge was pronounced dead in hospital on Friday night.

Emergency services responded to a passerby's call at 10 p.m..that a woman was discovered atop the bridge that connects the East End with Simpson Street. Thunder Bay Police Service officers attempted life-saving procedures at the scene but were unable to save her life.

Police say there's no indication the woman was struck by a vehicle on the bridge but it's not yet clear whether violence, drugs or alcohol were factors in her death.

A press release was issued Saturday morning calling on anyone who has information regarding this matter please contact Thunder Bay Police Criminal Investigations Branch.

The investigation is ongoing and a post-mortem examination is scheduled for Monday.