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WATCH ABOVE: What started as an incident at a Sherwood Park restaurant escalated this morning, leading to an extensive manhunt. Shallima Maharaj has the details.

EDMONTON — A man who had been running from police was apprehended at 12:25 p.m. inside the Gold Bar wastewater treatment plant, Edmonton Police confirm.

Officers converged early Friday morning on the treatment plant to search for the man.

Sherwood Park RCMP were originally chasing the suspect, who made his way into Edmonton and inside the treatment plant at the eastern edge of the city.

Edmonton police got involved around 4 a.m., locking down the facility and asking staff to stay in a secure, isolated area while they look for the man. Police also asked nearby residents to keep their distance from the scene.

Police canines were brought in to help in the search and the man was contained and arrested in a southwest section of the building, climbing around in ductwork.

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WATCH: Michel Boyer reports live from the Gold Bar wastewater treatment plant on the Morning News.

Several hours earlier Mounties were called to a restaurant in Sherwood Park, where police believe the man assaulted his partner. Edmonton police said the suspect was wanted on warrants for domestic violence. He fled with what police said was a stolen vehicle, and abandoned the truck in the North Saskatchewan River before taking off on foot.

Truck left in the North Saskatchewan River. September 4, 2015. Michel Boyer, Global News

It is not clear how the man entered the wastewater treatment facility.

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Police don't believe he is armed. Facility is massive. Employees are surrounded by police. Unclear how man entered building. — Michel Boyer (@BoyerMichel) September 4, 2015

Epcor said the employees inside were surrounded by police and the plant remained fully operational.

A spokesperson said the search was expected to take hours because of the sheer size of the facility, which is comprised of several buildings, tanks and tunnels.

Watch: Tim LeRiche of Epcor provides update on staff locked down inside sewage treatment facility