05/19/2016 14:00 EDT | Updated 05/20/2017 01:12 EDT

Investigation into death of drunk man in cell after arrest by Edmonton police

EDMONTON — A drunk man taken into custody by Edmonton police on charges of theft and bail breaches has died.

The Alberta Serious Incident Response Team says the 47-year-old man was arrested early Thursday and placed in a cell block.

About three hours later, he was found on the floor unresponsive.

Officers provided emergency medical aid until EMS arrived.

The man was pronounced dead on arrival at hospital.

ASIRT says at the time of his death there were no visible signs of traumatic injury.

An autopsy has been conducted but the cause of death has not been determined pending toxicology results. Notification of next-of-kin is currently being done.

ASIRT's investigation will focus on the officers' involvement with the man and the events leading up to his death.